799787997 has 12 divisors (see below), whose sum is σ = 1159645344. Its totient is φ = 531163080.

The previous prime is 799787983. The next prime is 799787999.

799787997 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 799787997 - 2⁴ = 799787981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799787999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166579 + ... + 171312.

It is an arithmetic number, because the mean of its divisors is an integer number (96637112).

Almost surely, 2^799787997 is an apocalyptic number.

It is an amenable number.

799787997 is a deficient number, since it is larger than the sum of its proper divisors (359857347).

799787997 is a wasteful number, since it uses less digits than its factorization.

799787997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338160 (or 338157 counting only the distinct ones).

The product of its digits is 126023688, while the sum is 72.

The square root of 799787997 is about 28280.5232801658. The cubic root of 799787997 is about 928.2357569147.

The spelling of 799787997 in words is "seven hundred ninety-nine million, seven hundred eighty-seven thousand, nine hundred ninety-seven".