799503120 has 240 divisors, whose sum is σ = 2911949040. Its totient is φ = 195416064.

The previous prime is 799503073. The next prime is 799503121. The reversal of 799503120 is 21305997.

It can be written as a sum of positive squares in 8 ways, for example, as 197136 + 799305984 = 444^2 + 28272^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (799503121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2143254 + ... + 2143626.

It is an arithmetic number, because the mean of its divisors is an integer number (12133121).

Almost surely, 2^799503120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 799503120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1455974520).

799503120 is an abundant number, since it is smaller than the sum of its proper divisors (2112445920).

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

799503120 is a wasteful number, since it uses less digits than its factorization.

799503120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 799503120 is about 28275.4862027163. The cubic root of 799503120 is about 928.1255341969.

The spelling of 799503120 in words is "seven hundred ninety-nine million, five hundred three thousand, one hundred twenty".