91914697 has 8 divisors (see below), whose sum is σ = 107884736. Its totient is φ = 76654512.

The previous prime is 91914689. The next prime is 91914703. The reversal of 91914697 is 79641919.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91914697 - 2³ = 91914689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91914637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177183 + ... + 177700.

It is an arithmetic number, because the mean of its divisors is an integer number (13485592).

Almost surely, 2^91914697 is an apocalyptic number.

It is an amenable number.

91914697 is a deficient number, since it is larger than the sum of its proper divisors (15970039).

91914697 is a wasteful number, since it uses less digits than its factorization.

91914697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354927.

The product of its digits is 122472, while the sum is 46.

The square root of 91914697 is about 9587.2152891233. The cubic root of 91914697 is about 451.2961756806.

The spelling of 91914697 in words is "ninety-one million, nine hundred fourteen thousand, six hundred ninety-seven".