470987871 has 4 divisors (see below), whose sum is σ = 627983832. Its totient is φ = 313991912.

The previous prime is 470987861. The next prime is 470987879. The reversal of 470987871 is 178789074.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 470987871 - 2⁶ = 470987807 is a prime.

It is a super-2 number, since 2×470987871² = 443659149258225282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470987879) 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, 78497976 + ... + 78497981.

It is an arithmetic number, because the mean of its divisors is an integer number (156995958).

Almost surely, 2^470987871 is an apocalyptic number.

470987871 is a deficient number, since it is larger than the sum of its proper divisors (156995961).

470987871 is a wasteful number, since it uses less digits than its factorization.

470987871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156995960.

The product of its (nonzero) digits is 790272, while the sum is 51.

The square root of 470987871 is about 21702.2549750020. The cubic root of 470987871 is about 778.0423574236.

The spelling of 470987871 in words is "four hundred seventy million, nine hundred eighty-seven thousand, eight hundred seventy-one".