8623385916 has 48 divisors (see below), whose sum is σ = 20346267648. Its totient is φ = 2842488000.

The previous prime is 8623385891. The next prime is 8623385921. The reversal of 8623385916 is 6195833268.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393406 + ... + 414746.

It is an arithmetic number, because the mean of its divisors is an integer number (423880576).

Almost surely, 2^8623385916 is an apocalyptic number.

It is an amenable number.

8623385916 is an abundant number, since it is smaller than the sum of its proper divisors (11722881732).

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

8623385916 is a wasteful number, since it uses less digits than its factorization.

8623385916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21722 (or 21720 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The square root of 8623385916 is about 92862.1877622964. The cubic root of 8623385916 is about 2050.6550289100.

The spelling of 8623385916 in words is "eight billion, six hundred twenty-three million, three hundred eighty-five thousand, nine hundred sixteen".