86645015080 has 32 divisors (see below), whose sum is σ = 209947537800. Its totient is φ = 31992005376.

The previous prime is 86645015071. The next prime is 86645015111. The reversal of 86645015080 is 8051054668.

It can be written as a sum of positive squares in 4 ways, for example, as 45641195044 + 41003820036 = 213638^2 + 202494^2 .

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, 83311995 + ... + 83313034.

Almost surely, 2^86645015080 is an apocalyptic number.

It is an amenable number.

86645015080 is an abundant number, since it is smaller than the sum of its proper divisors (123302522720).

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

86645015080 is a wasteful number, since it uses less digits than its factorization.

86645015080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166625053 (or 166625049 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 86645015080 in words is "eighty-six billion, six hundred forty-five million, fifteen thousand, eighty".