28773811616888 has 64 divisors (see below), whose sum is σ = 58252156841760. Its totient is φ = 13245668384256.

The previous prime is 28773811616867. The next prime is 28773811616911. The reversal of 28773811616888 is 88861611837782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704063831 + ... + 704104697.

Almost surely, 2^{28773811616888} is an apocalyptic number.

It is an amenable number.

28773811616888 is an abundant number, since it is smaller than the sum of its proper divisors (29478345224872).

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

28773811616888 is a wasteful number, since it uses less digits than its factorization.

28773811616888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58336 (or 58332 counting only the distinct ones).

The product of its digits is 346816512, while the sum is 74.

The spelling of 28773811616888 in words is "twenty-eight trillion, seven hundred seventy-three billion, eight hundred eleven million, six hundred sixteen thousand, eight hundred eighty-eight".