799761897 has 16 divisors (see below), whose sum is σ = 1292544960. Its totient is φ = 484704000.

The previous prime is 799761883. The next prime is 799761929. The reversal of 799761897 is 798167997.

799761897 is a `hidden beast` number, since 7 + 9 + 9 + 7 + 618 + 9 + 7 = 666.

It is not a de Polignac number, because 799761897 - 2¹² = 799757801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (799761877) 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 15 ways as a sum of consecutive naturals, for example, 1346104 + ... + 1346697.

It is an arithmetic number, because the mean of its divisors is an integer number (80784060).

Almost surely, 2^799761897 is an apocalyptic number.

It is an amenable number.

799761897 is a deficient number, since it is larger than the sum of its proper divisors (492783063).

799761897 is a wasteful number, since it uses less digits than its factorization.

799761897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692821 (or 2692815 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 63.

The square root of 799761897 is about 28280.0618280795. The cubic root of 799761897 is about 928.2256595652.

The spelling of 799761897 in words is "seven hundred ninety-nine million, seven hundred sixty-one thousand, eight hundred ninety-seven".