799889280 has 256 divisors, whose sum is σ = 2679091200. Its totient is φ = 202752000.

The previous prime is 799889269. The next prime is 799889297. The reversal of 799889280 is 82988997.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5297205 + ... + 5297355.

It is an arithmetic number, because the mean of its divisors is an integer number (10465200).

Almost surely, 2^799889280 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 799889280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339545600).

799889280 is an abundant number, since it is smaller than the sum of its proper divisors (1879201920).

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

799889280 is a wasteful number, since it uses less digits than its factorization.

799889280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 60.

The square root of 799889280 is about 28282.3139081653. The cubic root of 799889280 is about 928.2749383537.

The spelling of 799889280 in words is "seven hundred ninety-nine million, eight hundred eighty-nine thousand, two hundred eighty".