28803776232 has 384 divisors, whose sum is σ = 94946688000. Its totient is φ = 7218288000.

The previous prime is 28803776189. The next prime is 28803776257. The reversal of 28803776232 is 23267730882.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 87020307 + ... + 87020637.

It is an arithmetic number, because the mean of its divisors is an integer number (247257000).

Almost surely, 2^28803776232 is an apocalyptic number.

28803776232 is a gapful number since it is divisible by the number (22) 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 28803776232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47473344000).

28803776232 is an abundant number, since it is smaller than the sum of its proper divisors (66142911768).

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

28803776232 is a wasteful number, since it uses less digits than its factorization.

28803776232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 28803776232 in words is "twenty-eight billion, eight hundred three million, seven hundred seventy-six thousand, two hundred thirty-two".