91756917342 has 32 divisors (see below), whose sum is σ = 215898631200. Its totient is φ = 28786483584.

The previous prime is 91756917251. The next prime is 91756917361. The reversal of 91756917342 is 24371965719.

91756917342 is a `hidden beast` number, since 9 + 1 + 7 + 569 + 1 + 73 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49975617 + ... + 49977452.

It is an arithmetic number, because the mean of its divisors is an integer number (6746832225).

Almost surely, 2^91756917342 is an apocalyptic number.

91756917342 is an abundant number, since it is smaller than the sum of its proper divisors (124141713858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91756917342 is a wasteful number, since it uses less digits than its factorization.

91756917342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99953097 (or 99953091 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The spelling of 91756917342 in words is "ninety-one billion, seven hundred fifty-six million, nine hundred seventeen thousand, three hundred forty-two".