86391688602 has 64 divisors (see below), whose sum is σ = 181413872640. Its totient is φ = 27374797824.

The previous prime is 86391688577. The next prime is 86391688627. The reversal of 86391688602 is 20688619368.

It is an interprime number because it is at equal distance from previous prime (86391688577) and next prime (86391688627).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20140474 + ... + 20144762.

It is an arithmetic number, because the mean of its divisors is an integer number (2834591760).

Almost surely, 2^86391688602 is an apocalyptic number.

86391688602 is an abundant number, since it is smaller than the sum of its proper divisors (95022184038).

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

86391688602 is a wasteful number, since it uses less digits than its factorization.

86391688602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187.

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 86391688602 in words is "eighty-six billion, three hundred ninety-one million, six hundred eighty-eight thousand, six hundred two".