91794767 has 2 divisors, whose sum is σ = 91794768. Its totient is φ = 91794766.

The previous prime is 91794739. The next prime is 91794779. The reversal of 91794767 is 76749719.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91794767 - 2²² = 87600463 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 (91794797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45897383 + 45897384.

It is an arithmetic number, because the mean of its divisors is an integer number (45897384).

Almost surely, 2^91794767 is an apocalyptic number.

91794767 is a deficient number, since it is larger than the sum of its proper divisors (1).

91794767 is an equidigital number, since it uses as much as digits as its factorization.

91794767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 50.

The square root of 91794767 is about 9580.9585637346. The cubic root of 91794767 is about 451.0998069842.

The spelling of 91794767 in words is "ninety-one million, seven hundred ninety-four thousand, seven hundred sixty-seven".