86507215728 has 20 divisors (see below), whose sum is σ = 223476974088. Its totient is φ = 28835738560.

The previous prime is 86507215687. The next prime is 86507215759. The reversal of 86507215728 is 82751270568.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 901116783 + ... + 901116878.

Almost surely, 2^86507215728 is an apocalyptic number.

It is an amenable number.

86507215728 is an abundant number, since it is smaller than the sum of its proper divisors (136969758360).

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

86507215728 is a wasteful number, since it uses less digits than its factorization.

86507215728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802233672 (or 1802233666 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 51.

The spelling of 86507215728 in words is "eighty-six billion, five hundred seven million, two hundred fifteen thousand, seven hundred twenty-eight".