791999005 has 32 divisors (see below), whose sum is σ = 1144166400. Its totient is φ = 525530880.

The previous prime is 791998993. The next prime is 791999029. The reversal of 791999005 is 500999197.

It is not a de Polignac number, because 791999005 - 2⁷ = 791998877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 791999005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45717 + ... + 60613.

It is an arithmetic number, because the mean of its divisors is an integer number (35755200).

Almost surely, 2^791999005 is an apocalyptic number.

It is an amenable number.

791999005 is a deficient number, since it is larger than the sum of its proper divisors (352167395).

791999005 is a wasteful number, since it uses less digits than its factorization.

791999005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14954 (or 14940 counting only the distinct ones).

The product of its (nonzero) digits is 229635, while the sum is 49.

The square root of 791999005 is about 28142.4768810423. The cubic root of 791999005 is about 925.2126143840.

The spelling of 791999005 in words is "seven hundred ninety-one million, nine hundred ninety-nine thousand, five".