799136361 has 27 divisors (see below), whose sum is σ = 1202087991. Its totient is φ = 531231048.

The previous prime is 799136353. The next prime is 799136389. The reversal of 799136361 is 163631997.

The square root of 799136361 is 28269.

It is a perfect power (a square), and thus also a powerful number.

799136361 is a `hidden beast` number, since 7 + 9 + 9 + 1 + 3 + 636 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 586559961 + 212576400 = 24219^2 + 14580^2 .

It is a tau number, because it is divible by the number of its divisors (27).

It is not a de Polignac number, because 799136361 - 2³ = 799136353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (799136161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2289615 + ... + 2289963.

Almost surely, 2^799136361 is an apocalyptic number.

799136361 is the 28269-th square number.

799136361 is the 14135-th centered octagonal number.

It is an amenable number.

799136361 is a deficient number, since it is larger than the sum of its proper divisors (402951630).

799136361 is an frugal number, since it uses more digits than its factorization.

799136361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 352 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The cubic root of 799136361 is about 927.9835916794.

The spelling of 799136361 in words is "seven hundred ninety-nine million, one hundred thirty-six thousand, three hundred sixty-one".