91947014944 has 48 divisors (see below), whose sum is σ = 191545966080. Its totient is φ = 43325763840.

The previous prime is 91947014927. The next prime is 91947014953. The reversal of 91947014944 is 44941074919.

It is a super-2 number, since 2×91947014944² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91947014891 and 91947014900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279759 + ... + 512014.

It is an arithmetic number, because the mean of its divisors is an integer number (3990540960).

Almost surely, 2^91947014944 is an apocalyptic number.

It is an amenable number.

91947014944 is an abundant number, since it is smaller than the sum of its proper divisors (99598951136).

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

91947014944 is a wasteful number, since it uses less digits than its factorization.

91947014944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791993 (or 791985 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 91947014944 in words is "ninety-one billion, nine hundred forty-seven million, fourteen thousand, nine hundred forty-four".