86275920 has 40 divisors (see below), whose sum is σ = 267456096. Its totient is φ = 23006848.

The previous prime is 86275909. The next prime is 86275933. The reversal of 86275920 is 2957268.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent 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, 179502 + ... + 179981.

Almost surely, 2^86275920 is an apocalyptic number.

86275920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86275920 is an abundant number, since it is smaller than the sum of its proper divisors (181180176).

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

86275920 is a wasteful number, since it uses less digits than its factorization.

86275920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359499 (or 359493 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 86275920 is about 9288.4831915658. The cubic root of 86275920 is about 441.8720513065.

The spelling of 86275920 in words is "eighty-six million, two hundred seventy-five thousand, nine hundred twenty".