799964641 has 24 divisors (see below), whose sum is σ = 970105344. Its totient is φ = 656994240.

The previous prime is 799964621. The next prime is 799964651. The reversal of 799964641 is 146469997.

It is a happy number.

It is not a de Polignac number, because 799964641 - 2⁵ = 799964609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799964621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153901 + ... + 159013.

It is an arithmetic number, because the mean of its divisors is an integer number (40421056).

Almost surely, 2^799964641 is an apocalyptic number.

It is an amenable number.

799964641 is a deficient number, since it is larger than the sum of its proper divisors (170140703).

799964641 is a wasteful number, since it uses less digits than its factorization.

799964641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261 (or 5254 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 55.

The square root of 799964641 is about 28283.6461758381. The cubic root of 799964641 is about 928.3040896928.

The spelling of 799964641 in words is "seven hundred ninety-nine million, nine hundred sixty-four thousand, six hundred forty-one".