28433227908 has 48 divisors (see below), whose sum is σ = 67250917440. Its totient is φ = 9348912000.

The previous prime is 28433227891. The next prime is 28433227961. The reversal of 28433227908 is 80972233482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282423 + ... + 369633.

It is an arithmetic number, because the mean of its divisors is an integer number (1401060780).

Almost surely, 2^28433227908 is an apocalyptic number.

It is an amenable number.

28433227908 is an abundant number, since it is smaller than the sum of its proper divisors (38817689532).

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

28433227908 is a wasteful number, since it uses less digits than its factorization.

28433227908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87588 (or 87586 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 28433227908 in words is "twenty-eight billion, four hundred thirty-three million, two hundred twenty-seven thousand, nine hundred eight".