799799000 has 512 divisors, whose sum is σ = 2717245440. Its totient is φ = 211968000.

The previous prime is 799798973. The next prime is 799799003. The reversal of 799799000 is 997997.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 799799000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799799003) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17016977 + ... + 17017023.

It is an arithmetic number, because the mean of its divisors is an integer number (5307120).

Almost surely, 2^799799000 is an apocalyptic number.

799799000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 799799000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358622720).

799799000 is an abundant number, since it is smaller than the sum of its proper divisors (1917446440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

799799000 is a wasteful number, since it uses less digits than its factorization.

799799000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 321489, while the sum is 50.

The square root of 799799000 is about 28280.7178126723. The cubic root of 799799000 is about 928.2400135974.

The spelling of 799799000 in words is "seven hundred ninety-nine million, seven hundred ninety-nine thousand".