86501964 has 48 divisors (see below), whose sum is σ = 208787040. Its totient is φ = 27855360.

The previous prime is 86501963. The next prime is 86501969. The reversal of 86501964 is 46910568.

It is not an unprimeable number, because it can be changed into a prime (86501963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52822 + ... + 54434.

It is an arithmetic number, because the mean of its divisors is an integer number (4349730).

Almost surely, 2^86501964 is an apocalyptic number.

It is an amenable number.

86501964 is an abundant number, since it is smaller than the sum of its proper divisors (122285076).

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

86501964 is a wasteful number, since it uses less digits than its factorization.

86501964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770 (or 1768 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 86501964 is about 9300.6432035639. The cubic root of 86501964 is about 442.2576182239.

The spelling of 86501964 in words is "eighty-six million, five hundred one thousand, nine hundred sixty-four".