47927884637 has 4 divisors (see below), whose sum is σ = 48007898400. Its totient is φ = 47847870876.

The previous prime is 47927884601. The next prime is 47927884639. The reversal of 47927884637 is 73648872974.

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 a de Polignac number, because none of the positive numbers 2^k-47927884637 is a prime.

It is a super-3 number, since 3×47927884637³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47927884639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40005983 + ... + 40007180.

It is an arithmetic number, because the mean of its divisors is an integer number (12001974600).

Almost surely, 2^47927884637 is an apocalyptic number.

It is an amenable number.

47927884637 is a deficient number, since it is larger than the sum of its proper divisors (80013763).

47927884637 is an equidigital number, since it uses as much as digits as its factorization.

47927884637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80013762.

The product of its digits is 113799168, while the sum is 65.

The spelling of 47927884637 in words is "forty-seven billion, nine hundred twenty-seven million, eight hundred eighty-four thousand, six hundred thirty-seven".