92797813 has 4 divisors (see below), whose sum is σ = 95305900. Its totient is φ = 90289728.

The previous prime is 92797799. The next prime is 92797829. The reversal of 92797813 is 31879729.

It is a happy number.

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 56881764 + 35916049 = 7542^2 + 5993^2 .

It is a cyclic number.

It is not a de Polignac number, because 92797813 - 2¹⁷ = 92666741 is a prime.

It is a super-2 number, since 2×92797813² = 17222868195165938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92797853) 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, 1253988 + ... + 1254061.

It is an arithmetic number, because the mean of its divisors is an integer number (23826475).

Almost surely, 2^92797813 is an apocalyptic number.

It is an amenable number.

92797813 is a deficient number, since it is larger than the sum of its proper divisors (2508087).

92797813 is a wasteful number, since it uses less digits than its factorization.

92797813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508086.

The product of its digits is 190512, while the sum is 46.

The square root of 92797813 is about 9633.1621495748. The cubic root of 92797813 is about 452.7369218076.

The spelling of 92797813 in words is "ninety-two million, seven hundred ninety-seven thousand, eight hundred thirteen".