86997707712 has 42 divisors (see below), whose sum is σ = 249363222888. Its totient is φ = 28999235712.

The previous prime is 86997707711. The next prime is 86997707749. The reversal of 86997707712 is 21770779968.

It is a super-2 number, since 2×86997707712² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86997707712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86997707711) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 75518268 + ... + 75519419.

Almost surely, 2^86997707712 is an apocalyptic number.

It is an amenable number.

86997707712 is an abundant number, since it is smaller than the sum of its proper divisors (162365515176).

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

86997707712 is a wasteful number, since it uses less digits than its factorization.

86997707712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151037705 (or 151037692 counting only the distinct ones).

The product of its (nonzero) digits is 18670176, while the sum is 63.

The spelling of 86997707712 in words is "eighty-six billion, nine hundred ninety-seven million, seven hundred seven thousand, seven hundred twelve".