86564276 has 36 divisors (see below), whose sum is σ = 159755904. Its totient is φ = 40996800.

The previous prime is 86564273. The next prime is 86564279. The reversal of 86564276 is 67246568.

It is an interprime number because it is at equal distance from previous prime (86564273) and next prime (86564279).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86564273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660731 + ... + 660861.

It is an arithmetic number, because the mean of its divisors is an integer number (4437664).

Almost surely, 2^86564276 is an apocalyptic number.

It is an amenable number.

86564276 is a deficient number, since it is larger than the sum of its proper divisors (73191628).

86564276 is a wasteful number, since it uses less digits than its factorization.

86564276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 237 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 86564276 is about 9303.9924763512. The cubic root of 86564276 is about 442.3637866888.

The spelling of 86564276 in words is "eighty-six million, five hundred sixty-four thousand, two hundred seventy-six".