91914883 has 2 divisors, whose sum is σ = 91914884. Its totient is φ = 91914882.

The previous prime is 91914871. The next prime is 91914917. The reversal of 91914883 is 38841919.

It is a weak prime.

It is an emirp because it is prime and its reverse (38841919) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91914883 is a prime.

It is not a weakly prime, because it can be changed into another prime (91914583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45957441 + 45957442.

It is an arithmetic number, because the mean of its divisors is an integer number (45957442).

Almost surely, 2^91914883 is an apocalyptic number.

91914883 is a deficient number, since it is larger than the sum of its proper divisors (1).

91914883 is an equidigital number, since it uses as much as digits as its factorization.

91914883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 43.

The square root of 91914883 is about 9587.2249895369. The cubic root of 91914883 is about 451.2964800970.

The spelling of 91914883 in words is "ninety-one million, nine hundred fourteen thousand, eight hundred eighty-three".