86378522 has 8 divisors (see below), whose sum is σ = 136387200. Its totient is φ = 40916124.

The previous prime is 86378519. The next prime is 86378531. The reversal of 86378522 is 22587368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×86378522² = 14922498125808968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86378522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136522 + ... + 1136597.

It is an arithmetic number, because the mean of its divisors is an integer number (17048400).

Almost surely, 2^86378522 is an apocalyptic number.

86378522 is a deficient number, since it is larger than the sum of its proper divisors (50008678).

86378522 is a wasteful number, since it uses less digits than its factorization.

86378522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273140.

The product of its digits is 161280, while the sum is 41.

The square root of 86378522 is about 9294.0046266397. The cubic root of 86378522 is about 442.0471445656.

The spelling of 86378522 in words is "eighty-six million, three hundred seventy-eight thousand, five hundred twenty-two".