91792925879 has 2 divisors, whose sum is σ = 91792925880. Its totient is φ = 91792925878.

The previous prime is 91792925869. The next prime is 91792925899. The reversal of 91792925879 is 97852929719.

It is a weak prime.

It is an emirp because it is prime and its reverse (97852929719) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91792925879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91792925869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45896462939 + 45896462940.

It is an arithmetic number, because the mean of its divisors is an integer number (45896462940).

Almost surely, 2^91792925879 is an apocalyptic number.

91792925879 is a deficient number, since it is larger than the sum of its proper divisors (1).

91792925879 is an equidigital number, since it uses as much as digits as its factorization.

91792925879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51438240, while the sum is 68.

The spelling of 91792925879 in words is "ninety-one billion, seven hundred ninety-two million, nine hundred twenty-five thousand, eight hundred seventy-nine".