91348889504 has 24 divisors (see below), whose sum is σ = 187662394080. Its totient is φ = 43688598976.

The previous prime is 91348889449. The next prime is 91348889521. The reversal of 91348889504 is 40598884319.

It is a super-2 number, since 2×91348889504² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62056934 + ... + 62058405.

It is an arithmetic number, because the mean of its divisors is an integer number (7819266420).

Almost surely, 2^91348889504 is an apocalyptic number.

It is an amenable number.

91348889504 is an abundant number, since it is smaller than the sum of its proper divisors (96313504576).

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

91348889504 is a wasteful number, since it uses less digits than its factorization.

91348889504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124115372 (or 124115364 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 91348889504 in words is "ninety-one billion, three hundred forty-eight million, eight hundred eighty-nine thousand, five hundred four".