799977 has 8 divisors (see below), whose sum is σ = 1095616. Its totient is φ = 518832.

The previous prime is 799961. The next prime is 799979. The reversal of 799977 is 779997.

799977 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 799977 - 2⁴ = 799961 is a prime.

It is a Duffinian number.

799977 is strictly pandigital in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 799977.

It is not an unprimeable number, because it can be changed into a prime (799979) 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, 3493 + ... + 3714.

It is an arithmetic number, because the mean of its divisors is an integer number (136952).

2⁷⁹⁹⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

799977 is a deficient number, since it is larger than the sum of its proper divisors (295639).

799977 is a wasteful number, since it uses less digits than its factorization.

799977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7247.

The product of its digits is 250047, while the sum is 48.

The square root of 799977 is about 894.4143335166. The cubic root of 799977 is about 92.8308870259.

The spelling of 799977 in words is "seven hundred ninety-nine thousand, nine hundred seventy-seven".