28673960500 has 24 divisors (see below), whose sum is σ = 62623930824. Its totient is φ = 11469584000.

The previous prime is 28673960479. The next prime is 28673960501. The reversal of 28673960500 is 506937682.

It can be written as a sum of positive squares in 4 ways, for example, as 1413308836 + 27260651664 = 37594^2 + 165108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28673960501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28673461 + ... + 28674460.

It is an arithmetic number, because the mean of its divisors is an integer number (2609330451).

Almost surely, 2^28673960500 is an apocalyptic number.

28673960500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28673960500 is an abundant number, since it is smaller than the sum of its proper divisors (33949970324).

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

28673960500 is a wasteful number, since it uses less digits than its factorization.

28673960500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57347940 (or 57347928 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 28673960500 in words is "twenty-eight billion, six hundred seventy-three million, nine hundred sixty thousand, five hundred".