8616738856 has 32 divisors (see below), whose sum is σ = 17717460480. Its totient is φ = 3896185600.

The previous prime is 8616738829. The next prime is 8616738857. The reversal of 8616738856 is 6588376168.

It is a self number, because there is not a number n which added to its sum of digits gives 8616738856.

It is not an unprimeable number, because it can be changed into a prime (8616738857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239521 + ... + 273136.

It is an arithmetic number, because the mean of its divisors is an integer number (553670640).

Almost surely, 2^8616738856 is an apocalyptic number.

It is an amenable number.

8616738856 is an abundant number, since it is smaller than the sum of its proper divisors (9100721624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8616738856 is a wasteful number, since it uses less digits than its factorization.

8616738856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512865 (or 512861 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 58.

The square root of 8616738856 is about 92826.3909456788. The cubic root of 8616738856 is about 2050.1279996222.

The spelling of 8616738856 in words is "eight billion, six hundred sixteen million, seven hundred thirty-eight thousand, eight hundred fifty-six".