86378264 has 32 divisors (see below), whose sum is σ = 186251520. Its totient is φ = 36788256.

The previous prime is 86378263. The next prime is 86378291. The reversal of 86378264 is 46287368.

It is a super-2 number, since 2×86378264² = 14922408983307392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86378261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4397 + ... + 13859.

It is an arithmetic number, because the mean of its divisors is an integer number (5820360).

Almost surely, 2^86378264 is an apocalyptic number.

It is an amenable number.

86378264 is an abundant number, since it is smaller than the sum of its proper divisors (99873256).

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

86378264 is a wasteful number, since it uses less digits than its factorization.

86378264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9639 (or 9635 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 86378264 is about 9293.9907467137. The cubic root of 86378264 is about 442.0467044551.

The spelling of 86378264 in words is "eighty-six million, three hundred seventy-eight thousand, two hundred sixty-four".