28426806600 has 96 divisors (see below), whose sum is σ = 88757340000. Its totient is φ = 7525923840.

The previous prime is 28426806563. The next prime is 28426806601. The reversal of 28426806600 is 660862482.

It is not an unprimeable number, because it can be changed into a prime (28426806601) 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, 87025 + ... + 253824.

It is an arithmetic number, because the mean of its divisors is an integer number (924555625).

Almost surely, 2^28426806600 is an apocalyptic number.

28426806600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28426806600 is an abundant number, since it is smaller than the sum of its proper divisors (60330533400).

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

28426806600 is a wasteful number, since it uses less digits than its factorization.

28426806600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341007 (or 340998 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 28426806600 in words is "twenty-eight billion, four hundred twenty-six million, eight hundred six thousand, six hundred".