86100864 has 32 divisors (see below), whose sum is σ = 228706440. Its totient is φ = 28700160.

The previous prime is 86100863. The next prime is 86100877. The reversal of 86100864 is 46800168.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86100863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111727 + ... + 112494.

Almost surely, 2^86100864 is an apocalyptic number.

It is an amenable number.

86100864 is an abundant number, since it is smaller than the sum of its proper divisors (142605576).

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

86100864 is a wasteful number, since it uses less digits than its factorization.

86100864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224238 (or 224226 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 86100864 is about 9279.0551243109. The cubic root of 86100864 is about 441.5729924672.

The spelling of 86100864 in words is "eighty-six million, one hundred thousand, eight hundred sixty-four".