92799991 has 4 divisors (see below), whose sum is σ = 98258832. Its totient is φ = 87341152.

The previous prime is 92799989. The next prime is 92800021. The reversal of 92799991 is 19999729.

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

It is a cyclic number.

It is not a de Polignac number, because 92799991 - 2¹ = 92799989 is a prime.

It is a super-2 number, since 2×92799991² = 17223676659200162, 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 (92799961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2729395 + ... + 2729428.

It is an arithmetic number, because the mean of its divisors is an integer number (24564708).

Almost surely, 2^92799991 is an apocalyptic number.

92799991 is a deficient number, since it is larger than the sum of its proper divisors (5458841).

92799991 is a wasteful number, since it uses less digits than its factorization.

92799991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5458840.

The product of its digits is 826686, while the sum is 55.

The square root of 92799991 is about 9633.2751959030. The cubic root of 92799991 is about 452.7404637492.

The spelling of 92799991 in words is "ninety-two million, seven hundred ninety-nine thousand, nine hundred ninety-one".