799957759997 has 12 divisors (see below), whose sum is σ = 884686867680. Its totient is φ = 722772749160.

The previous prime is 799957759949. The next prime is 799957759999.

799957759997 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 799957759997 - 2¹⁶ = 799957694461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799957759999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20260097 + ... + 20299542.

It is an arithmetic number, because the mean of its divisors is an integer number (73723905640).

Almost surely, 2^799957759997 is an apocalyptic number.

It is an amenable number.

799957759997 is a deficient number, since it is larger than the sum of its proper divisors (84729107683).

799957759997 is a wasteful number, since it uses less digits than its factorization.

799957759997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40559824 (or 40559813 counting only the distinct ones).

The product of its digits is 31899746025, while the sum is 92.

The spelling of 799957759997 in words is "seven hundred ninety-nine billion, nine hundred fifty-seven million, seven hundred fifty-nine thousand, nine hundred ninety-seven".