28823090508 has 36 divisors (see below), whose sum is σ = 73265414040. Its totient is φ = 9554020416.

The previous prime is 28823090501. The next prime is 28823090519. The reversal of 28823090508 is 80509032882.

28823090508 is a `hidden beast` number, since 28 + 8 + 2 + 30 + 90 + 508 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (28823090501) 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, 2229985 + ... + 2242872.

It is an arithmetic number, because the mean of its divisors is an integer number (2035150390).

Almost surely, 2^28823090508 is an apocalyptic number.

It is an amenable number.

28823090508 is an abundant number, since it is smaller than the sum of its proper divisors (44442323532).

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

28823090508 is a wasteful number, since it uses less digits than its factorization.

28823090508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473046 (or 4473041 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 28823090508 in words is "twenty-eight billion, eight hundred twenty-three million, ninety thousand, five hundred eight".