28528054608 has 40 divisors (see below), whose sum is σ = 74027984128. Its totient is φ = 9466705152.

The previous prime is 28528054601. The next prime is 28528054613. The reversal of 28528054608 is 80645082582.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28528054601) 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, 1321885 + ... + 1343292.

Almost surely, 2^28528054608 is an apocalyptic number.

It is an amenable number.

28528054608 is an abundant number, since it is smaller than the sum of its proper divisors (45499929520).

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

28528054608 is a wasteful number, since it uses less digits than its factorization.

28528054608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665411 (or 2665405 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 48.

The spelling of 28528054608 in words is "twenty-eight billion, five hundred twenty-eight million, fifty-four thousand, six hundred eight".