799783664401 has 8 divisors (see below), whose sum is σ = 800207279208. Its totient is φ = 799360128000.

The previous prime is 799783664347. The next prime is 799783664461. The reversal of 799783664401 is 104466387997.

799783664401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6045218001 + 793738446400 = 77751^2 + 890920^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-799783664401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799783664461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39659761 + ... + 39679921.

It is an arithmetic number, because the mean of its divisors is an integer number (100025909901).

Almost surely, 2^799783664401 is an apocalyptic number.

It is an amenable number.

799783664401 is a deficient number, since it is larger than the sum of its proper divisors (423614807).

799783664401 is a wasteful number, since it uses less digits than its factorization.

799783664401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39203.

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 799783664401 in words is "seven hundred ninety-nine billion, seven hundred eighty-three million, six hundred sixty-four thousand, four hundred one".