86514813 has 48 divisors (see below), whose sum is σ = 157188096. Its totient is φ = 44543520.

The previous prime is 86514811. The next prime is 86514821. The reversal of 86514813 is 31841568.

It is not a de Polignac number, because 86514813 - 2¹ = 86514811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86514811) 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 47 ways as a sum of consecutive naturals, for example, 87520 + ... + 88502.

It is an arithmetic number, because the mean of its divisors is an integer number (3274752).

Almost surely, 2^86514813 is an apocalyptic number.

It is an amenable number.

86514813 is a deficient number, since it is larger than the sum of its proper divisors (70673283).

86514813 is a wasteful number, since it uses less digits than its factorization.

86514813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1131 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 86514813 is about 9301.3339365921. Note that the first 3 decimals coincide. The cubic root of 86514813 is about 442.2795147856.

The spelling of 86514813 in words is "eighty-six million, five hundred fourteen thousand, eight hundred thirteen".