86913681084 has 36 divisors (see below), whose sum is σ = 223300091560. Its totient is φ = 28496288160.

The previous prime is 86913681067. The next prime is 86913681091. The reversal of 86913681084 is 48018631968.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 86913681084.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19786894 + ... + 19791285.

Almost surely, 2^86913681084 is an apocalyptic number.

It is an amenable number.

86913681084 is an abundant number, since it is smaller than the sum of its proper divisors (136386410476).

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

86913681084 is a wasteful number, since it uses less digits than its factorization.

86913681084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39578250 (or 39578245 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 86913681084 in words is "eighty-six billion, nine hundred thirteen million, six hundred eighty-one thousand, eighty-four".