791836560 has 200 divisors, whose sum is σ = 2783091960. Its totient is φ = 208631808.

The previous prime is 791836553. The next prime is 791836579. The reversal of 791836560 is 65638197.

It is a happy number.

791836560 is a `hidden beast` number, since 7 + 9 + 1 + 83 + 6 + 560 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 178382736 + 613453824 = 13356^2 + 24768^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 576034 + ... + 577406.

Almost surely, 2^791836560 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 791836560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391545980).

791836560 is an abundant number, since it is smaller than the sum of its proper divisors (1991255400).

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

791836560 is a wasteful number, since it uses less digits than its factorization.

791836560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1472 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 791836560 is about 28139.5906153590. The cubic root of 791836560 is about 925.1493540183.

The spelling of 791836560 in words is "seven hundred ninety-one million, eight hundred thirty-six thousand, five hundred sixty".