792012821 has 4 divisors (see below), whose sum is σ = 795564672. Its totient is φ = 788460972.

The previous prime is 792012817. The next prime is 792012827. The reversal of 792012821 is 128210297.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 792012821 - 2² = 792012817 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 (792012827) 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, 1775591 + ... + 1776036.

It is an arithmetic number, because the mean of its divisors is an integer number (198891168).

Almost surely, 2^792012821 is an apocalyptic number.

It is an amenable number.

792012821 is a deficient number, since it is larger than the sum of its proper divisors (3551851).

792012821 is a wasteful number, since it uses less digits than its factorization.

792012821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551850.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 792012821 is about 28142.7223452174. The cubic root of 792012821 is about 925.2179942995.

The spelling of 792012821 in words is "seven hundred ninety-two million, twelve thousand, eight hundred twenty-one".