86515371 has 40 divisors (see below), whose sum is σ = 134164800. Its totient is φ = 55520640.

The previous prime is 86515369. The next prime is 86515393. The reversal of 86515371 is 17351568.

It is not a de Polignac number, because 86515371 - 2¹ = 86515369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86515301) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 361870 + ... + 362108.

It is an arithmetic number, because the mean of its divisors is an integer number (3354120).

Almost surely, 2^86515371 is an apocalyptic number.

86515371 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

86515371 is a deficient number, since it is larger than the sum of its proper divisors (47649429).

86515371 is a wasteful number, since it uses less digits than its factorization.

86515371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 392 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 86515371 is about 9301.3639322413. The cubic root of 86515371 is about 442.2804656496.

The spelling of 86515371 in words is "eighty-six million, five hundred fifteen thousand, three hundred seventy-one".