86253478 has 16 divisors (see below), whose sum is σ = 137163024. Its totient is φ = 40538880.

The previous prime is 86253469. The next prime is 86253487. The reversal of 86253478 is 87435268.

It is an interprime number because it is at equal distance from previous prime (86253469) and next prime (86253487).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51226 + ... + 52882.

It is an arithmetic number, because the mean of its divisors is an integer number (8572689).

Almost surely, 2^86253478 is an apocalyptic number.

86253478 is a deficient number, since it is larger than the sum of its proper divisors (50909546).

86253478 is a wasteful number, since it uses less digits than its factorization.

86253478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207.

The product of its digits is 322560, while the sum is 43.

The square root of 86253478 is about 9287.2750578412. The cubic root of 86253478 is about 441.8337348890.

The spelling of 86253478 in words is "eighty-six million, two hundred fifty-three thousand, four hundred seventy-eight".