91562440948 has 18 divisors (see below), whose sum is σ = 176125274738. Its totient is φ = 41619291120.

The previous prime is 91562440897. The next prime is 91562440951. The reversal of 91562440948 is 84904426519.

It can be written as a sum of positive squares in only one way, i.e., 77401916944 + 14160524004 = 278212^2 + 118998^2 .

It is a junction number, because it is equal to n+sod(n) for n = 91562440895 and 91562440904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94588815 + ... + 94589782.

Almost surely, 2^91562440948 is an apocalyptic number.

It is an amenable number.

91562440948 is a deficient number, since it is larger than the sum of its proper divisors (84562833790).

91562440948 is a wasteful number, since it uses less digits than its factorization.

91562440948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189178623 (or 189178610 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 91562440948 in words is "ninety-one billion, five hundred sixty-two million, four hundred forty thousand, nine hundred forty-eight".