799681186997 has 32 divisors (see below), whose sum is σ = 999128908800. Its totient is φ = 621801936000.

The previous prime is 799681186987. The next prime is 799681187017.

799681186997 is nontrivially palindromic in base 10.

799681186997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 799681186997 - 2⁴ = 799681186981 is a prime.

It is a super-4 number, since 4×799681186997⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799681186907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141508622 + ... + 141514272.

It is an arithmetic number, because the mean of its divisors is an integer number (31222778400).

Almost surely, 2^799681186997 is an apocalyptic number.

799681186997 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

799681186997 is a deficient number, since it is larger than the sum of its proper divisors (199447721803).

799681186997 is a wasteful number, since it uses less digits than its factorization.

799681186997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257.

The product of its digits is 740710656, while the sum is 80.

It can be divided in two parts, 7996811 and 86997, that added together give a palindrome (8083808).

The spelling of 799681186997 in words is "seven hundred ninety-nine billion, six hundred eighty-one million, one hundred eighty-six thousand, nine hundred ninety-seven".