799874867 has 4 divisors (see below), whose sum is σ = 872590776. Its totient is φ = 727158960.

The previous prime is 799874861. The next prime is 799874869. The reversal of 799874867 is 768478997.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-799874867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799874861) 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, 36357938 + ... + 36357959.

It is an arithmetic number, because the mean of its divisors is an integer number (218147694).

Almost surely, 2^799874867 is an apocalyptic number.

799874867 is a deficient number, since it is larger than the sum of its proper divisors (72715909).

799874867 is a wasteful number, since it uses less digits than its factorization.

799874867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72715908.

The product of its digits is 42674688, while the sum is 65.

The square root of 799874867 is about 28282.0591011334. The cubic root of 799874867 is about 928.2693628708.

The spelling of 799874867 in words is "seven hundred ninety-nine million, eight hundred seventy-four thousand, eight hundred sixty-seven".