86992793 has 4 divisors (see below), whose sum is σ = 87026100. Its totient is φ = 86959488.

The previous prime is 86992753. The next prime is 86992799. The reversal of 86992793 is 39729968.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32410249 + 54582544 = 5693^2 + 7388^2 .

It is a cyclic number.

It is not a de Polignac number, because 86992793 - 2²⁴ = 70215577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86992799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12368 + ... + 18081.

It is an arithmetic number, because the mean of its divisors is an integer number (21756525).

Almost surely, 2^86992793 is an apocalyptic number.

It is an amenable number.

86992793 is a deficient number, since it is larger than the sum of its proper divisors (33307).

86992793 is a wasteful number, since it uses less digits than its factorization.

86992793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33306.

The product of its digits is 1469664, while the sum is 53.

The square root of 86992793 is about 9326.9927093356. The cubic root of 86992793 is about 443.0925263678.

The spelling of 86992793 in words is "eighty-six million, nine hundred ninety-two thousand, seven hundred ninety-three".