28743763584 has 64 divisors (see below), whose sum is σ = 76390892640. Its totient is φ = 9576201216.

The previous prime is 28743763571. The next prime is 28743763603. The reversal of 28743763584 is 48536734782.

It is a tau number, because it is divible by the number of its divisors (64).

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, 748107 + ... + 785589.

Almost surely, 2^28743763584 is an apocalyptic number.

28743763584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28743763584 is an abundant number, since it is smaller than the sum of its proper divisors (47647129056).

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

28743763584 is a wasteful number, since it uses less digits than its factorization.

28743763584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39497 (or 39485 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 57.

The spelling of 28743763584 in words is "twenty-eight billion, seven hundred forty-three million, seven hundred sixty-three thousand, five hundred eighty-four".