28674663900 has 72 divisors (see below), whose sum is σ = 82991865264. Its totient is φ = 7644134400.

The previous prime is 28674663869. The next prime is 28674663911. The reversal of 28674663900 is 936647682.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1048804 + ... + 1075796.

Almost surely, 2^28674663900 is an apocalyptic number.

28674663900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28674663900 is an abundant number, since it is smaller than the sum of its proper divisors (54317201364).

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

28674663900 is a wasteful number, since it uses less digits than its factorization.

28674663900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30551 (or 30544 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 28674663900 in words is "twenty-eight billion, six hundred seventy-four million, six hundred sixty-three thousand, nine hundred".