28167757130448 has 60 divisors (see below), whose sum is σ = 84894490246020. Its totient is φ = 8667002193408.

The previous prime is 28167757130431. The next prime is 28167757130473. The reversal of 28167757130448 is 84403175776182.

It is a happy number.

28167757130448 is a `hidden beast` number, since 2 + 8 + 1 + 6 + 7 + 7 + 57 + 130 + 448 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12936596175504 + 15231160954944 = 3596748^2 + 3902712^2 .

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, 7523437533 + ... + 7523441276.

It is an arithmetic number, because the mean of its divisors is an integer number (1414908170767).

Almost surely, 2^{28167757130448} is an apocalyptic number.

It is an amenable number.

28167757130448 is an abundant number, since it is smaller than the sum of its proper divisors (56726733115572).

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

28167757130448 is a wasteful number, since it uses less digits than its factorization.

28167757130448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15046878836 (or 15046878827 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 63.

The spelling of 28167757130448 in words is "twenty-eight trillion, one hundred sixty-seven billion, seven hundred fifty-seven million, one hundred thirty thousand, four hundred forty-eight".