8457688216 has 32 divisors (see below), whose sum is σ = 16293564000. Its totient is φ = 4112833536.

The previous prime is 8457688153. The next prime is 8457688223. The reversal of 8457688216 is 6128867548.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978120 + ... + 986728.

It is an arithmetic number, because the mean of its divisors is an integer number (509173875).

Almost surely, 2^8457688216 is an apocalyptic number.

It is an amenable number.

8457688216 is a deficient number, since it is larger than the sum of its proper divisors (7835875784).

8457688216 is a wasteful number, since it uses less digits than its factorization.

8457688216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11971 (or 11967 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 55.

The square root of 8457688216 is about 91965.6904285506. The cubic root of 8457688216 is about 2037.4356006393.

The spelling of 8457688216 in words is "eight billion, four hundred fifty-seven million, six hundred eighty-eight thousand, two hundred sixteen".