28832790720 has 224 divisors, whose sum is σ = 93756284928. Its totient is φ = 7505068032.

The previous prime is 28832790691. The next prime is 28832790809. The reversal of 28832790720 is 2709723882.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 28832790720.

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, 7266177 + ... + 7270143.

Almost surely, 2^28832790720 is an apocalyptic number.

28832790720 is a gapful number since it is divisible by the number (20) 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 28832790720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46878142464).

28832790720 is an abundant number, since it is smaller than the sum of its proper divisors (64923494208).

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

28832790720 is a wasteful number, since it uses less digits than its factorization.

28832790720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167 (or 4157 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 28832790720 in words is "twenty-eight billion, eight hundred thirty-two million, seven hundred ninety thousand, seven hundred twenty".