799001000977 has 8 divisors (see below), whose sum is σ = 846015078600. Its totient is φ = 751988481024.

The previous prime is 799001000957. The next prime is 799001001059. The reversal of 799001000977 is 779000100997.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 214822053121 + 584178947856 = 463489^2 + 764316^2 .

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-799001000977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 799001000977.

It is not an unprimeable number, because it can be changed into a prime (799001000957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764349 + ... + 1477237.

It is an arithmetic number, because the mean of its divisors is an integer number (105751884825).

Almost surely, 2^799001000977 is an apocalyptic number.

It is an amenable number.

799001000977 is a deficient number, since it is larger than the sum of its proper divisors (47014077623).

799001000977 is a wasteful number, since it uses less digits than its factorization.

799001000977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778835.

The product of its (nonzero) digits is 250047, while the sum is 49.

The spelling of 799001000977 in words is "seven hundred ninety-nine billion, one million, nine hundred seventy-seven", and thus it is an aban number.