791899064 has 32 divisors (see below), whose sum is σ = 1620969840. Its totient is φ = 359692800.

The previous prime is 791899037. The next prime is 791899079. The reversal of 791899064 is 460998197.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 791898997 and 791899015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171344 + ... + 175904.

Almost surely, 2^791899064 is an apocalyptic number.

It is an amenable number.

791899064 is an abundant number, since it is smaller than the sum of its proper divisors (829070776).

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

791899064 is a wasteful number, since it uses less digits than its factorization.

791899064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551 (or 6547 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 791899064 is about 28140.7011995082. The cubic root of 791899064 is about 925.1736957477.

The spelling of 791899064 in words is "seven hundred ninety-one million, eight hundred ninety-nine thousand, sixty-four".