86916513 has 8 divisors (see below), whose sum is σ = 115964800. Its totient is φ = 57906288.

The previous prime is 86916497. The next prime is 86916539. The reversal of 86916513 is 31561968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86916513 - 2⁴ = 86916497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86916553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3673 + ... + 13686.

It is an arithmetic number, because the mean of its divisors is an integer number (14495600).

Almost surely, 2^86916513 is an apocalyptic number.

It is an amenable number.

86916513 is a deficient number, since it is larger than the sum of its proper divisors (29048287).

86916513 is a wasteful number, since it uses less digits than its factorization.

86916513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19031.

The product of its digits is 38880, while the sum is 39.

The square root of 86916513 is about 9322.9026059484. The cubic root of 86916513 is about 442.9629793079.

The spelling of 86916513 in words is "eighty-six million, nine hundred sixteen thousand, five hundred thirteen".