4720887317 has 4 divisors (see below), whose sum is σ = 4821331776. Its totient is φ = 4620442860.

The previous prime is 4720887299. The next prime is 4720887361. The reversal of 4720887317 is 7137880274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4720887317 - 2¹⁰ = 4720886293 is a prime.

It is a super-2 number, since 2×4720887317² = 44573554119622916978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 100444411 = 4720887317 / (4 + 7 + 2 + 0 + 8 + 8 + 7 + 3 + 1 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720880317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50222159 + ... + 50222252.

It is an arithmetic number, because the mean of its divisors is an integer number (1205332944).

Almost surely, 2^4720887317 is an apocalyptic number.

4720887317 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

4720887317 is a deficient number, since it is larger than the sum of its proper divisors (100444459).

4720887317 is a wasteful number, since it uses less digits than its factorization.

4720887317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100444458.

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 4720887317 is about 68708.7135449355. The cubic root of 4720887317 is about 1677.5464132805.

The spelling of 4720887317 in words is "four billion, seven hundred twenty million, eight hundred eighty-seven thousand, three hundred seventeen".