792880721 has 2 divisors, whose sum is σ = 792880722. Its totient is φ = 792880720.

The previous prime is 792880691. The next prime is 792880729. The reversal of 792880721 is 127088297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539911696 + 252969025 = 23236^2 + 15905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-792880721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (792880729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396440360 + 396440361.

It is an arithmetic number, because the mean of its divisors is an integer number (396440361).

Almost surely, 2^792880721 is an apocalyptic number.

It is an amenable number.

792880721 is a deficient number, since it is larger than the sum of its proper divisors (1).

792880721 is an equidigital number, since it uses as much as digits as its factorization.

792880721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 792880721 is about 28158.1377402697. The cubic root of 792880721 is about 925.5558270307. Note that the first 3 decimals are identical.

The spelling of 792880721 in words is "seven hundred ninety-two million, eight hundred eighty thousand, seven hundred twenty-one".