28932398860 has 24 divisors (see below), whose sum is σ = 60941610576. Its totient is φ = 11537993280.

The previous prime is 28932398839. The next prime is 28932398879. The reversal of 28932398860 is 6889323982.

It is a junction number, because it is equal to n+sod(n) for n = 28932398795 and 28932398804.

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 7 ways as a sum of consecutive naturals, for example, 2178607 + ... + 2191846.

It is an arithmetic number, because the mean of its divisors is an integer number (2539233774).

Almost surely, 2^28932398860 is an apocalyptic number.

28932398860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28932398860 is an abundant number, since it is smaller than the sum of its proper divisors (32009211716).

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

28932398860 is a wasteful number, since it uses less digits than its factorization.

28932398860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370793 (or 4370791 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 58.

The spelling of 28932398860 in words is "twenty-eight billion, nine hundred thirty-two million, three hundred ninety-eight thousand, eight hundred sixty".