799889297 has 2 divisors, whose sum is σ = 799889298. Its totient is φ = 799889296.

The previous prime is 799889269. The next prime is 799889309. The reversal of 799889297 is 792988997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 789385216 + 10504081 = 28096^2 + 3241^2 .

It is a cyclic number.

It is not a de Polignac number, because 799889297 - 2²² = 795694993 is a prime.

It is not a weakly prime, because it can be changed into another prime (799889897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399944648 + 399944649.

It is an arithmetic number, because the mean of its divisors is an integer number (399944649).

Almost surely, 2^799889297 is an apocalyptic number.

It is an amenable number.

799889297 is a deficient number, since it is larger than the sum of its proper divisors (1).

799889297 is an equidigital number, since it uses as much as digits as its factorization.

799889297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41150592, while the sum is 68.

The square root of 799889297 is about 28282.3142087065. The cubic root of 799889297 is about 928.2749449299.

The spelling of 799889297 in words is "seven hundred ninety-nine million, eight hundred eighty-nine thousand, two hundred ninety-seven".