97244691264 has 840 divisors, whose sum is σ = 356113628640. Its totient is φ = 26116909056.

The previous prime is 97244691241. The next prime is 97244691281. The reversal of 97244691264 is 46219644279.

97244691264 is a `hidden beast` number, since 9 + 72 + 446 + 9 + 126 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 97244691264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 316757799 + ... + 316758105.

It is an arithmetic number, because the mean of its divisors is an integer number (423944796).

Almost surely, 2^97244691264 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 97244691264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178056814320).

97244691264 is an abundant number, since it is smaller than the sum of its proper divisors (258868937376).

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

97244691264 is a wasteful number, since it uses less digits than its factorization.

97244691264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 391 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 97244691264 in words is "ninety-seven billion, two hundred forty-four million, six hundred ninety-one thousand, two hundred sixty-four".