28751315700 has 36 divisors (see below), whose sum is σ = 83187140960. Its totient is φ = 7667017440.

The previous prime is 28751315683. The next prime is 28751315731. The reversal of 28751315700 is 751315782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47918560 + ... + 47919159.

Almost surely, 2^28751315700 is an apocalyptic number.

28751315700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28751315700 is an abundant number, since it is smaller than the sum of its proper divisors (54435825260).

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

28751315700 is a wasteful number, since it uses less digits than its factorization.

28751315700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95837736 (or 95837729 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 39.

The spelling of 28751315700 in words is "twenty-eight billion, seven hundred fifty-one million, three hundred fifteen thousand, seven hundred".