28002552508 has 48 divisors (see below), whose sum is σ = 56838233088. Its totient is φ = 11822832000.

The previous prime is 28002552503. The next prime is 28002552517. The reversal of 28002552508 is 80525520082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28002552503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2939473 + ... + 2948983.

It is an arithmetic number, because the mean of its divisors is an integer number (1184129856).

Almost surely, 2^28002552508 is an apocalyptic number.

28002552508 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28002552508 is an abundant number, since it is smaller than the sum of its proper divisors (28835680580).

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

28002552508 is a wasteful number, since it uses less digits than its factorization.

28002552508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11074 (or 11072 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 28002552508 in words is "twenty-eight billion, two million, five hundred fifty-two thousand, five hundred eight".