91740084480 has 216 divisors, whose sum is σ = 346267172160. Its totient is φ = 22239989760.

The previous prime is 91740084479. The next prime is 91740084511. The reversal of 91740084480 is 8448004719.

91740084480 is a `hidden beast` number, since 91 + 7 + 4 + 0 + 0 + 84 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 235260 + ... + 488699.

It is an arithmetic number, because the mean of its divisors is an integer number (1603088760).

Almost surely, 2^91740084480 is an apocalyptic number.

91740084480 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

91740084480 is an abundant number, since it is smaller than the sum of its proper divisors (254527087680).

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

91740084480 is a wasteful number, since it uses less digits than its factorization.

91740084480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723997 (or 723980 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 91740084480 in words is "ninety-one billion, seven hundred forty million, eighty-four thousand, four hundred eighty".