86145965970 has 16 divisors (see below), whose sum is σ = 206750318400. Its totient is φ = 22972257584.

The previous prime is 86145965909. The next prime is 86145965993. The reversal of 86145965970 is 7956954168.

It is a super-2 number, since 2×86145965970² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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, 1435766070 + ... + 1435766129.

It is an arithmetic number, because the mean of its divisors is an integer number (12921894900).

Almost surely, 2^86145965970 is an apocalyptic number.

86145965970 is an abundant number, since it is smaller than the sum of its proper divisors (120604352430).

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

86145965970 is a wasteful number, since it uses less digits than its factorization.

86145965970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871532209.

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 86145965970 in words is "eighty-six billion, one hundred forty-five million, nine hundred sixty-five thousand, nine hundred seventy".