28314177648 has 40 divisors (see below), whose sum is σ = 74070854400. Its totient is φ = 9318588864.

The previous prime is 28314177629. The next prime is 28314177649. The reversal of 28314177648 is 84677141382.

It is a self number, because there is not a number n which added to its sum of digits gives 28314177648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28314177649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3729618 + ... + 3737201.

It is an arithmetic number, because the mean of its divisors is an integer number (1851771360).

Almost surely, 2^28314177648 is an apocalyptic number.

It is an amenable number.

28314177648 is an abundant number, since it is smaller than the sum of its proper divisors (45756676752).

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

28314177648 is a wasteful number, since it uses less digits than its factorization.

28314177648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7466909 (or 7466903 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The spelling of 28314177648 in words is "twenty-eight billion, three hundred fourteen million, one hundred seventy-seven thousand, six hundred forty-eight".