799814961 has 27 divisors (see below), whose sum is σ = 1271345803. Its totient is φ = 484170720.

The previous prime is 799814959. The next prime is 799814971. The reversal of 799814961 is 169418997.

The square root of 799814961 is 28281.

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

799814961 is a `hidden beast` number, since 79 + 9 + 81 + 496 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 741200625 + 58614336 = 27225^2 + 7656^2 .

It is not a de Polignac number, because 799814961 - 2¹ = 799814959 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 799814898 and 799814907.

It is not an unprimeable number, because it can be changed into a prime (799814971) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 932845 + ... + 933701.

Almost surely, 2^799814961 is an apocalyptic number.

799814961 is the 28281-st square number.

799814961 is the 14141-st centered octagonal number.

It is an amenable number.

799814961 is a deficient number, since it is larger than the sum of its proper divisors (471530842).

799814961 is an equidigital number, since it uses as much as digits as its factorization.

799814961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 871 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The cubic root of 799814961 is about 928.2461882906.

The spelling of 799814961 in words is "seven hundred ninety-nine million, eight hundred fourteen thousand, nine hundred sixty-one".