28100674920 has 64 divisors (see below), whose sum is σ = 84341085120. Its totient is φ = 7490041344.

The previous prime is 28100674871. The next prime is 28100674933. The reversal of 28100674920 is 2947600182.

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 15 ways as a sum of consecutive naturals, for example, 211212 + ... + 317508.

It is an arithmetic number, because the mean of its divisors is an integer number (1317829455).

Almost surely, 2^28100674920 is an apocalyptic number.

28100674920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28100674920 is an abundant number, since it is smaller than the sum of its proper divisors (56240410200).

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

28100674920 is a wasteful number, since it uses less digits than its factorization.

28100674920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108514 (or 108510 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 28100674920 in words is "twenty-eight billion, one hundred million, six hundred seventy-four thousand, nine hundred twenty".