799490617 has 2 divisors, whose sum is σ = 799490618. Its totient is φ = 799490616.

The previous prime is 799490599. The next prime is 799490639. The reversal of 799490617 is 716094997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432806416 + 366684201 = 20804^2 + 19149^2 .

It is an emirp because it is prime and its reverse (716094997) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-799490617 is a prime.

It is not a weakly prime, because it can be changed into another prime (799490687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399745308 + 399745309.

It is an arithmetic number, because the mean of its divisors is an integer number (399745309).

Almost surely, 2^799490617 is an apocalyptic number.

It is an amenable number.

799490617 is a deficient number, since it is larger than the sum of its proper divisors (1).

799490617 is an equidigital number, since it uses as much as digits as its factorization.

799490617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 799490617 is about 28275.2651092788. The cubic root of 799490617 is about 928.1206960194.

The spelling of 799490617 in words is "seven hundred ninety-nine million, four hundred ninety thousand, six hundred seventeen".