28030052508 has 24 divisors (see below), whose sum is σ = 66191451648. Its totient is φ = 9230780016.

The previous prime is 28030052507. The next prime is 28030052509. The reversal of 28030052508 is 80525003082.

It is an interprime number because it is at equal distance from previous prime (28030052507) and next prime (28030052509).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28030052503) 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, 14070316 + ... + 14072307.

It is an arithmetic number, because the mean of its divisors is an integer number (2757977152).

Almost surely, 2^28030052508 is an apocalyptic number.

It is an amenable number.

28030052508 is an abundant number, since it is smaller than the sum of its proper divisors (38161399140).

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

28030052508 is a wasteful number, since it uses less digits than its factorization.

28030052508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28142713 (or 28142711 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 28030052508 in words is "twenty-eight billion, thirty million, fifty-two thousand, five hundred eight".