797432991264 has 336 divisors, whose sum is σ = 2897044661952. Its totient is φ = 210311437824.

The previous prime is 797432991253. The next prime is 797432991319. The reversal of 797432991264 is 462199234797.

797432991264 is a `hidden beast` number, since 7 + 97 + 432 + 9 + 91 + 26 + 4 = 666.

797432991264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (63).

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

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1935027 + ... + 2310669.

It is an arithmetic number, because the mean of its divisors is an integer number (8622156732).

Almost surely, 2^797432991264 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 797432991264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448522330976).

797432991264 is an abundant number, since it is smaller than the sum of its proper divisors (2099611670688).

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

797432991264 is a wasteful number, since it uses less digits than its factorization.

797432991264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375691 (or 375668 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The spelling of 797432991264 in words is "seven hundred ninety-seven billion, four hundred thirty-two million, nine hundred ninety-one thousand, two hundred sixty-four".