91740488275 has 12 divisors (see below), whose sum is σ = 114521688000. Its totient is φ = 72899821280.

The previous prime is 91740488249. The next prime is 91740488297. The reversal of 91740488275 is 57288404719.

It is not a de Polignac number, because 91740488275 - 2⁵ = 91740488243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12310435 + ... + 12317884.

It is an arithmetic number, because the mean of its divisors is an integer number (9543474000).

Almost surely, 2^91740488275 is an apocalyptic number.

91740488275 is a deficient number, since it is larger than the sum of its proper divisors (22781199725).

91740488275 is a wasteful number, since it uses less digits than its factorization.

91740488275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24628478 (or 24628473 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 91740488275 in words is "ninety-one billion, seven hundred forty million, four hundred eighty-eight thousand, two hundred seventy-five".