91794851 has 2 divisors, whose sum is σ = 91794852. Its totient is φ = 91794850.

The previous prime is 91794841. The next prime is 91794869. The reversal of 91794851 is 15849719.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91794851 - 2²² = 87600547 is a prime.

It is a super-2 number, since 2×91794851² = 16852589340224402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91794821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45897425 + 45897426.

It is an arithmetic number, because the mean of its divisors is an integer number (45897426).

Almost surely, 2^91794851 is an apocalyptic number.

91794851 is a deficient number, since it is larger than the sum of its proper divisors (1).

91794851 is an equidigital number, since it uses as much as digits as its factorization.

91794851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 44.

The square root of 91794851 is about 9580.9629474286. The cubic root of 91794851 is about 451.0999445824.

The spelling of 91794851 in words is "ninety-one million, seven hundred ninety-four thousand, eight hundred fifty-one".