91598254993084 has 36 divisors (see below), whose sum is σ = 197436574845216. Its totient is φ = 36947195289984.

The previous prime is 91598254993043. The next prime is 91598254993117. The reversal of 91598254993084 is 48039945289519.

It is a self number, because there is not a number n which added to its sum of digits gives 91598254993084.

It is a congruent number.

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, 13745233012 + ... + 13745239675.

It is an arithmetic number, because the mean of its divisors is an integer number (5484349301256).

Almost surely, 2^{91598254993084} is an apocalyptic number.

It is an amenable number.

91598254993084 is an abundant number, since it is smaller than the sum of its proper divisors (105838319852132).

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

91598254993084 is a wasteful number, since it uses less digits than its factorization.

91598254993084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27490472722 (or 27490472713 counting only the distinct ones).

The product of its (nonzero) digits is 1007769600, while the sum is 76.

The spelling of 91598254993084 in words is "ninety-one trillion, five hundred ninety-eight billion, two hundred fifty-four million, nine hundred ninety-three thousand, eighty-four".