92139727 has 2 divisors, whose sum is σ = 92139728. Its totient is φ = 92139726.

The previous prime is 92139709. The next prime is 92139743. The reversal of 92139727 is 72793129.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92139727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 92139727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92131727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46069863 + 46069864.

It is an arithmetic number, because the mean of its divisors is an integer number (46069864).

Almost surely, 2^92139727 is an apocalyptic number.

92139727 is a deficient number, since it is larger than the sum of its proper divisors (1).

92139727 is an equidigital number, since it uses as much as digits as its factorization.

92139727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 40.

The square root of 92139727 is about 9598.9440565095. The cubic root of 92139727 is about 451.6641705600.

The spelling of 92139727 in words is "ninety-two million, one hundred thirty-nine thousand, seven hundred twenty-seven".