86387313 has 16 divisors (see below), whose sum is σ = 117149760. Its totient is φ = 56615424.

The previous prime is 86387309. The next prime is 86387339. The reversal of 86387313 is 31378368.

It is not a de Polignac number, because 86387313 - 2² = 86387309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86387383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57273 + ... + 58761.

It is an arithmetic number, because the mean of its divisors is an integer number (7321860).

Almost surely, 2^86387313 is an apocalyptic number.

86387313 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

86387313 is a deficient number, since it is larger than the sum of its proper divisors (30762447).

86387313 is a wasteful number, since it uses less digits than its factorization.

86387313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808.

The product of its digits is 72576, while the sum is 39.

The square root of 86387313 is about 9294.4775539026. The cubic root of 86387313 is about 442.0621402093.

It can be divided in two parts, 8638 and 7313, that added together give a palindrome (15951).

The spelling of 86387313 in words is "eighty-six million, three hundred eighty-seven thousand, three hundred thirteen".