28547180487 has 48 divisors (see below), whose sum is σ = 51745704192. Its totient is φ = 15353089920.

The previous prime is 28547180443. The next prime is 28547180489. The reversal of 28547180487 is 78408174582.

28547180487 is a `hidden beast` number, since 2 + 8 + 547 + 18 + 0 + 4 + 87 = 666.

It is not a de Polignac number, because 28547180487 - 2⁶ = 28547180423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28547180489) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 464689 + ... + 522522.

It is an arithmetic number, because the mean of its divisors is an integer number (1078035504).

Almost surely, 2^28547180487 is an apocalyptic number.

28547180487 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28547180487 is a deficient number, since it is larger than the sum of its proper divisors (23198523705).

28547180487 is an equidigital number, since it uses as much as digits as its factorization.

28547180487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987250 (or 987238 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 54.

The spelling of 28547180487 in words is "twenty-eight billion, five hundred forty-seven million, one hundred eighty thousand, four hundred eighty-seven".