86501013509 has 16 divisors (see below), whose sum is σ = 87632658432. Its totient is φ = 85376021808.

The previous prime is 86501013503. The next prime is 86501013523. The reversal of 86501013509 is 90531010568.

It is a cyclic number.

It is not a de Polignac number, because 86501013509 - 2²⁸ = 86232578053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86501013503) 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, 54642932 + ... + 54644514.

It is an arithmetic number, because the mean of its divisors is an integer number (5477041152).

Almost surely, 2^86501013509 is an apocalyptic number.

It is an amenable number.

86501013509 is a deficient number, since it is larger than the sum of its proper divisors (1131644923).

86501013509 is a wasteful number, since it uses less digits than its factorization.

86501013509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 86501013509 in words is "eighty-six billion, five hundred one million, thirteen thousand, five hundred nine".