91352374848 has 336 divisors, whose sum is σ = 310116443520. Its totient is φ = 25165873152.

The previous prime is 91352374847. The next prime is 91352374849. The reversal of 91352374848 is 84847325319.

It is a happy number.

91352374848 is a `hidden beast` number, since 9 + 1 + 3 + 523 + 74 + 8 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (91352374847) and next prime (91352374849).

It is a tau number, because it is divible by the number of its divisors (336).

It is a junction number, because it is equal to n+sod(n) for n = 91352374794 and 91352374803.

It is not an unprimeable number, because it can be changed into a prime (91352374843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16855083 + ... + 16860501.

Almost surely, 2^91352374848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91352374848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155058221760).

91352374848 is an abundant number, since it is smaller than the sum of its proper divisors (218764068672).

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

91352374848 is a wasteful number, since it uses less digits than its factorization.

91352374848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594 (or 5581 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 91352374848 in words is "ninety-one billion, three hundred fifty-two million, three hundred seventy-four thousand, eight hundred forty-eight".