28920600028488 has 96 divisors (see below), whose sum is σ = 84109610792160. Its totient is φ = 8262656801280.

The previous prime is 28920600028483. The next prime is 28920600028553. The reversal of 28920600028488 is 88482000602982.

It is a super-2 number, since 2×28920600028488² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28920600028483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26142720 + ... + 27226512.

It is an arithmetic number, because the mean of its divisors is an integer number (876141779085).

Almost surely, 2^{28920600028488} is an apocalyptic number.

28920600028488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28920600028488 is an abundant number, since it is smaller than the sum of its proper divisors (55189010763672).

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

28920600028488 is a wasteful number, since it uses less digits than its factorization.

28920600028488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106507 (or 1106496 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 57.

The spelling of 28920600028488 in words is "twenty-eight trillion, nine hundred twenty billion, six hundred million, twenty-eight thousand, four hundred eighty-eight".