91912848260 has 48 divisors (see below), whose sum is σ = 194848777200. Its totient is φ = 36416438784.

The previous prime is 91912848217. The next prime is 91912848281. The reversal of 91912848260 is 6284821919.

It can be written as a sum of positive squares in 8 ways, for example, as 500953924 + 91411894336 = 22382^2 + 302344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 91912848199 and 91912848208.

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, 11796446 + ... + 11804234.

It is an arithmetic number, because the mean of its divisors is an integer number (4059349525).

Almost surely, 2^91912848260 is an apocalyptic number.

It is an amenable number.

91912848260 is an abundant number, since it is smaller than the sum of its proper divisors (102935928940).

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

91912848260 is a wasteful number, since it uses less digits than its factorization.

91912848260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13320 (or 13318 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The spelling of 91912848260 in words is "ninety-one billion, nine hundred twelve million, eight hundred forty-eight thousand, two hundred sixty".