92972077 has 4 divisors (see below), whose sum is σ = 101424096. Its totient is φ = 84520060.

The previous prime is 92972071. The next prime is 92972093. The reversal of 92972077 is 77027929.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77027929 = 11 ⋅7002539.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92972077 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 (92972071) 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, 4225993 + ... + 4226014.

It is an arithmetic number, because the mean of its divisors is an integer number (25356024).

Almost surely, 2^92972077 is an apocalyptic number.

It is an amenable number.

92972077 is a deficient number, since it is larger than the sum of its proper divisors (8452019).

92972077 is a wasteful number, since it uses less digits than its factorization.

92972077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8452018.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 92972077 is about 9642.2029121980. The cubic root of 92972077 is about 453.0201411710.

The spelling of 92972077 in words is "ninety-two million, nine hundred seventy-two thousand, seventy-seven".