28469998926 has 48 divisors (see below), whose sum is σ = 63327633408. Its totient is φ = 9239403600.

The previous prime is 28469998913. The next prime is 28469998927. The reversal of 28469998926 is 62989996482.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28469998927) 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, 73491 + ... + 249681.

It is an arithmetic number, because the mean of its divisors is an integer number (1319325696).

Almost surely, 2^28469998926 is an apocalyptic number.

28469998926 is an abundant number, since it is smaller than the sum of its proper divisors (34857634482).

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

28469998926 is a wasteful number, since it uses less digits than its factorization.

28469998926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176437 (or 176434 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The spelling of 28469998926 in words is "twenty-eight billion, four hundred sixty-nine million, nine hundred ninety-eight thousand, nine hundred twenty-six".