8139476916 has 24 divisors (see below), whose sum is σ = 21102347840. Its totient is φ = 2713158936.

The previous prime is 8139476911. The next prime is 8139476941. The reversal of 8139476916 is 6196749318.

8139476916 is a `hidden beast` number, since 81 + 3 + 9 + 476 + 91 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8139476911) 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, 37682656 + ... + 37682871.

Almost surely, 2^8139476916 is an apocalyptic number.

It is an amenable number.

8139476916 is an abundant number, since it is smaller than the sum of its proper divisors (12962870924).

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

8139476916 is a wasteful number, since it uses less digits than its factorization.

8139476916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75365540 (or 75365532 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 8139476916 is about 90219.0496292219. The cubic root of 8139476916 is about 2011.5561751355.

The spelling of 8139476916 in words is "eight billion, one hundred thirty-nine million, four hundred seventy-six thousand, nine hundred sixteen".