799201800 has 72 divisors (see below), whose sum is σ = 2683992090. Its totient is φ = 213120000.

The previous prime is 799201757. The next prime is 799201801. The reversal of 799201800 is 8102997.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 492041124 + 307160676 = 22182^2 + 17526^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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 (799201801) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 220201 + ... + 223800.

Almost surely, 2^799201800 is an apocalyptic number.

It is an amenable number.

799201800 is an abundant number, since it is smaller than the sum of its proper divisors (1884790290).

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

799201800 is a wasteful number, since it uses less digits than its factorization.

799201800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444023 (or 444011 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 799201800 is about 28270.1574102445. The cubic root of 799201800 is about 928.0089209656.

The spelling of 799201800 in words is "seven hundred ninety-nine million, two hundred one thousand, eight hundred".