28815892160 has 112 divisors (see below), whose sum is σ = 79259277600. Its totient is φ = 9862103040.

The previous prime is 28815892159. The next prime is 28815892169. The reversal of 28815892160 is 6129851882.

It is a junction number, because it is equal to n+sod(n) for n = 28815892099 and 28815892108.

It is not an unprimeable number, because it can be changed into a prime (28815892169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180935 + ... + 300614.

Almost surely, 2^28815892160 is an apocalyptic number.

28815892160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28815892160 is an abundant number, since it is smaller than the sum of its proper divisors (50443385440).

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

28815892160 is a wasteful number, since it uses less digits than its factorization.

28815892160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481594 (or 481584 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 50.

The spelling of 28815892160 in words is "twenty-eight billion, eight hundred fifteen million, eight hundred ninety-two thousand, one hundred sixty".