86520154 has 16 divisors (see below), whose sum is σ = 148655808. Its totient is φ = 36996192.

The previous prime is 86520139. The next prime is 86520179. The reversal of 86520154 is 45102568.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364 + ... + 13159.

It is an arithmetic number, because the mean of its divisors is an integer number (9290988).

Almost surely, 2^86520154 is an apocalyptic number.

86520154 is a deficient number, since it is larger than the sum of its proper divisors (62135654).

86520154 is a wasteful number, since it uses less digits than its factorization.

86520154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13989.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 86520154 is about 9301.6210415174. The cubic root of 86520154 is about 442.2886159873.

The spelling of 86520154 in words is "eighty-six million, five hundred twenty thousand, one hundred fifty-four".