799697394512 has 20 divisors (see below), whose sum is σ = 1549446019956. Its totient is φ = 399840357120.

The previous prime is 799697394479. The next prime is 799697394527. The reversal of 799697394512 is 215493796997.

It can be written as a sum of positive squares in 2 ways, for example, as 719877583936 + 79819810576 = 848456^2 + 282524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309962 + ... + 1302102.

Almost surely, 2^799697394512 is an apocalyptic number.

It is an amenable number.

799697394512 is a deficient number, since it is larger than the sum of its proper divisors (749748625444).

799697394512 is a wasteful number, since it uses less digits than its factorization.

799697394512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042526 (or 1042520 counting only the distinct ones).

The product of its digits is 231472080, while the sum is 71.

The spelling of 799697394512 in words is "seven hundred ninety-nine billion, six hundred ninety-seven million, three hundred ninety-four thousand, five hundred twelve".