799181997 has 16 divisors (see below), whose sum is σ = 1078920000. Its totient is φ = 526131584.

The previous prime is 799181969. The next prime is 799182001.

799181997 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 799181997 - 2¹¹ = 799179949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 799181997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799181197) 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, 294754 + ... + 297452.

It is an arithmetic number, because the mean of its divisors is an integer number (67432500).

Almost surely, 2^799181997 is an apocalyptic number.

It is an amenable number.

799181997 is a deficient number, since it is larger than the sum of its proper divisors (279738003).

799181997 is a wasteful number, since it uses less digits than its factorization.

799181997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900.

The product of its digits is 2571912, while the sum is 60.

The square root of 799181997 is about 28269.8071624127. The cubic root of 799181997 is about 928.0012560210.

The spelling of 799181997 in words is "seven hundred ninety-nine million, one hundred eighty-one thousand, nine hundred ninety-seven".