86487912680 has 32 divisors (see below), whose sum is σ = 209566866600. Its totient is φ = 31933998336.

The previous prime is 86487912673. The next prime is 86487912691. The reversal of 86487912680 is 8621978468.

It can be written as a sum of positive squares in 4 ways, for example, as 59143321636 + 27344591044 = 243194^2 + 165362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83160935 + ... + 83161974.

Almost surely, 2^86487912680 is an apocalyptic number.

It is an amenable number.

86487912680 is an abundant number, since it is smaller than the sum of its proper divisors (123078953920).

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

86487912680 is a wasteful number, since it uses less digits than its factorization.

86487912680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166322933 (or 166322929 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 86487912680 in words is "eighty-six billion, four hundred eighty-seven million, nine hundred twelve thousand, six hundred eighty".