28715608368 has 60 divisors (see below), whose sum is σ = 83134998960. Its totient is φ = 9241803648.

The previous prime is 28715608367. The next prime is 28715608469. The reversal of 28715608368 is 86380651782.

28715608368 is a `hidden beast` number, since 2 + 8 + 71 + 560 + 8 + 3 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (28715608367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3433996 + ... + 3442347.

It is an arithmetic number, because the mean of its divisors is an integer number (1385583316).

Almost surely, 2^28715608368 is an apocalyptic number.

It is an amenable number.

28715608368 is an abundant number, since it is smaller than the sum of its proper divisors (54419390592).

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

28715608368 is a wasteful number, since it uses less digits than its factorization.

28715608368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876386 (or 6876377 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 28715608368 in words is "twenty-eight billion, seven hundred fifteen million, six hundred eight thousand, three hundred sixty-eight".