28787610576 has 40 divisors (see below), whose sum is σ = 74405818080. Its totient is φ = 9590989696.

The previous prime is 28787610559. The next prime is 28787610613. The reversal of 28787610576 is 67501678782.

It is a congruent number.

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, 56535 + ... + 246518.

It is an arithmetic number, because the mean of its divisors is an integer number (1860145452).

Almost surely, 2^28787610576 is an apocalyptic number.

It is an amenable number.

28787610576 is an abundant number, since it is smaller than the sum of its proper divisors (45618207504).

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

28787610576 is a wasteful number, since it uses less digits than its factorization.

28787610576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305043 (or 305037 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 57.

The spelling of 28787610576 in words is "twenty-eight billion, seven hundred eighty-seven million, six hundred ten thousand, five hundred seventy-six".