28503350808 has 16 divisors (see below), whose sum is σ = 71258377080. Its totient is φ = 9501116928.

The previous prime is 28503350801. The next prime is 28503350833. The reversal of 28503350808 is 80805330582.

It is a self number, because there is not a number n which added to its sum of digits gives 28503350808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28503350801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593819785 + ... + 593819832.

Almost surely, 2^28503350808 is an apocalyptic number.

It is an amenable number.

28503350808 is an abundant number, since it is smaller than the sum of its proper divisors (42755026272).

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

28503350808 is a wasteful number, since it uses less digits than its factorization.

28503350808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187639626 (or 1187639622 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 28503350808 in words is "twenty-eight billion, five hundred three million, three hundred fifty thousand, eight hundred eight".