791199715 has 4 divisors (see below), whose sum is σ = 949439664. Its totient is φ = 632959768.

The previous prime is 791199709. The next prime is 791199719. The reversal of 791199715 is 517991197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 517991197 = 12239 ⋅42323.

It is a cyclic number.

It is not a de Polignac number, because 791199715 - 2⁹ = 791199203 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791199719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79119967 + ... + 79119976.

It is an arithmetic number, because the mean of its divisors is an integer number (237359916).

Almost surely, 2^791199715 is an apocalyptic number.

791199715 is a deficient number, since it is larger than the sum of its proper divisors (158239949).

791199715 is a wasteful number, since it uses less digits than its factorization.

791199715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158239948.

The product of its digits is 178605, while the sum is 49.

The square root of 791199715 is about 28128.2725207219. The cubic root of 791199715 is about 924.9012663060.

The spelling of 791199715 in words is "seven hundred ninety-one million, one hundred ninety-nine thousand, seven hundred fifteen".