28374235356 has 24 divisors (see below), whose sum is σ = 70101052560. Its totient is φ = 8901720832.

The previous prime is 28374235321. The next prime is 28374235381. The reversal of 28374235356 is 65353247382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69544491 + ... + 69544898.

It is an arithmetic number, because the mean of its divisors is an integer number (2920877190).

Almost surely, 2^28374235356 is an apocalyptic number.

It is an amenable number.

28374235356 is an abundant number, since it is smaller than the sum of its proper divisors (41726817204).

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

28374235356 is a wasteful number, since it uses less digits than its factorization.

28374235356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139089413 (or 139089411 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 48.

The spelling of 28374235356 in words is "twenty-eight billion, three hundred seventy-four million, two hundred thirty-five thousand, three hundred fifty-six".