86726788672 has 28 divisors (see below), whose sum is σ = 172110643840. Its totient is φ = 43360327296.

The previous prime is 86726788669. The next prime is 86726788691. The reversal of 86726788672 is 27688762768.

It is a junction number, because it is equal to n+sod(n) for n = 86726788598 and 86726788607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063993 + ... + 1142599.

Almost surely, 2^86726788672 is an apocalyptic number.

It is an amenable number.

86726788672 is a deficient number, since it is larger than the sum of its proper divisors (85383855168).

86726788672 is a wasteful number, since it uses less digits than its factorization.

86726788672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95858 (or 95848 counting only the distinct ones).

The product of its digits is 151732224, while the sum is 67.

The spelling of 86726788672 in words is "eighty-six billion, seven hundred twenty-six million, seven hundred eighty-eight thousand, six hundred seventy-two".