791557760 has 192 divisors, whose sum is σ = 2256297120. Its totient is φ = 264628224.

The previous prime is 791557759. The next prime is 791557783. The reversal of 791557760 is 67755197.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1348187 + ... + 1348773.

Almost surely, 2^791557760 is an apocalyptic number.

791557760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 791557760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1128148560).

791557760 is an abundant number, since it is smaller than the sum of its proper divisors (1464739360).

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

791557760 is a wasteful number, since it uses less digits than its factorization.

791557760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 463050, while the sum is 47.

The square root of 791557760 is about 28134.6363047401. The cubic root of 791557760 is about 925.0407617781.

The spelling of 791557760 in words is "seven hundred ninety-one million, five hundred fifty-seven thousand, seven hundred sixty".