91585479260 has 48 divisors (see below), whose sum is σ = 211323530880. Its totient is φ = 33064203840.

The previous prime is 91585479259. The next prime is 91585479289. The reversal of 91585479260 is 6297458519.

It is a super-2 number, since 2×91585479260² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91585479196 and 91585479205.

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, 1466894 + ... + 1528053.

It is an arithmetic number, because the mean of its divisors is an integer number (4402573560).

Almost surely, 2^91585479260 is an apocalyptic number.

It is an amenable number.

91585479260 is an abundant number, since it is smaller than the sum of its proper divisors (119738051620).

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

91585479260 is a wasteful number, since it uses less digits than its factorization.

91585479260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995106 (or 2995104 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 91585479260 in words is "ninety-one billion, five hundred eighty-five million, four hundred seventy-nine thousand, two hundred sixty".