86772555684 has 72 divisors (see below), whose sum is σ = 219963988608. Its totient is φ = 28842264000.

The previous prime is 86772555629. The next prime is 86772555689. The reversal of 86772555684 is 48655527768.

86772555684 is a `hidden beast` number, since 8 + 6 + 7 + 72 + 5 + 556 + 8 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (86772555689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21545679 + ... + 21549705.

Almost surely, 2^86772555684 is an apocalyptic number.

It is an amenable number.

86772555684 is an abundant number, since it is smaller than the sum of its proper divisors (133191432924).

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

86772555684 is a wasteful number, since it uses less digits than its factorization.

86772555684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585 (or 5580 counting only the distinct ones).

The product of its digits is 112896000, while the sum is 63.

The spelling of 86772555684 in words is "eighty-six billion, seven hundred seventy-two million, five hundred fifty-five thousand, six hundred eighty-four".