79007923 has 2 divisors, whose sum is σ = 79007924. Its totient is φ = 79007922.

The previous prime is 79007917. The next prime is 79007939. The reversal of 79007923 is 32970097.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79007923 is a prime.

It is not a weakly prime, because it can be changed into another prime (79007953) 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 as a sum of consecutive naturals, namely, 39503961 + 39503962.

It is an arithmetic number, because the mean of its divisors is an integer number (39503962).

Almost surely, 2^79007923 is an apocalyptic number.

79007923 is a deficient number, since it is larger than the sum of its proper divisors (1).

79007923 is an equidigital number, since it uses as much as digits as its factorization.

79007923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 79007923 is about 8888.6401097131. The cubic root of 79007923 is about 429.0983866656.

The spelling of 79007923 in words is "seventy-nine million, seven thousand, nine hundred twenty-three".