86511793 has 16 divisors (see below), whose sum is σ = 95316480. Its totient is φ = 78163200.

The previous prime is 86511791. The next prime is 86511797. The reversal of 86511793 is 39711568.

It is a cyclic number.

It is not a de Polignac number, because 86511793 - 2¹ = 86511791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86511791) 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, 72663 + ... + 73843.

It is an arithmetic number, because the mean of its divisors is an integer number (5957280).

Almost surely, 2^86511793 is an apocalyptic number.

It is an amenable number.

86511793 is a deficient number, since it is larger than the sum of its proper divisors (8804687).

86511793 is a wasteful number, since it uses less digits than its factorization.

86511793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its digits is 45360, while the sum is 40.

The square root of 86511793 is about 9301.1715928694. The cubic root of 86511793 is about 442.2743684620.

The spelling of 86511793 in words is "eighty-six million, five hundred eleven thousand, seven hundred ninety-three".