799847280 has 240 divisors, whose sum is σ = 2876762304. Its totient is φ = 198451200.

The previous prime is 799847261. The next prime is 799847291. The reversal of 799847280 is 82748997.

799847280 is a `hidden beast` number, since 7 + 9 + 98 + 472 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1235917 + ... + 1236563.

Almost surely, 2^799847280 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 799847280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1438381152).

799847280 is an abundant number, since it is smaller than the sum of its proper divisors (2076915024).

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

799847280 is a wasteful number, since it uses less digits than its factorization.

799847280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 799847280 is about 28281.5713849142. The cubic root of 799847280 is about 928.2586910093.

It can be divided in two parts, 7998 and 47280, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 799847280 in words is "seven hundred ninety-nine million, eight hundred forty-seven thousand, two hundred eighty".