799712787 has 18 divisors (see below), whose sum is σ = 1106284972. Its totient is φ = 513843344.

The previous prime is 799712723. The next prime is 799712801. The reversal of 799712787 is 787217997.

It is not a de Polignac number, because 799712787 - 2⁶ = 799712723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799712087) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1420168 + ... + 1420730.

Almost surely, 2^799712787 is an apocalyptic number.

799712787 is a deficient number, since it is larger than the sum of its proper divisors (306572185).

799712787 is an frugal number, since it uses more digits than its factorization.

799712787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187 (or 595 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 57.

The square root of 799712787 is about 28279.1935351771. The cubic root of 799712787 is about 928.2066597039.

The spelling of 799712787 in words is "seven hundred ninety-nine million, seven hundred twelve thousand, seven hundred eighty-seven".