91465727 has 2 divisors, whose sum is σ = 91465728. Its totient is φ = 91465726.

The previous prime is 91465723. The next prime is 91465769. The reversal of 91465727 is 72756419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91465727 - 2² = 91465723 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91465723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45732863 + 45732864.

It is an arithmetic number, because the mean of its divisors is an integer number (45732864).

Almost surely, 2^91465727 is an apocalyptic number.

91465727 is a deficient number, since it is larger than the sum of its proper divisors (1).

91465727 is an equidigital number, since it uses as much as digits as its factorization.

91465727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 91465727 is about 9563.7715886569. The cubic root of 91465727 is about 450.5601698886.

The spelling of 91465727 in words is "ninety-one million, four hundred sixty-five thousand, seven hundred twenty-seven".