799646997 has 16 divisors (see below), whose sum is σ = 1105869312. Its totient is φ = 513547200.

The previous prime is 799646993. The next prime is 799647007.

799646997 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 799646997 - 2² = 799646993 is a prime.

It is a super-2 number, since 2×799646997² = 1278870639622236018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799646993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24453 + ... + 46874.

It is an arithmetic number, because the mean of its divisors is an integer number (69116832).

Almost surely, 2^799646997 is an apocalyptic number.

It is an amenable number.

799646997 is a deficient number, since it is larger than the sum of its proper divisors (306222315).

799646997 is a wasteful number, since it uses less digits than its factorization.

799646997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71468.

The product of its digits is 46294416, while the sum is 66.

The square root of 799646997 is about 28278.0302885473. The cubic root of 799646997 is about 928.1812054026.

The spelling of 799646997 in words is "seven hundred ninety-nine million, six hundred forty-six thousand, nine hundred ninety-seven".