28847492436 has 24 divisors (see below), whose sum is σ = 76926646720. Its totient is φ = 8242140672.

The previous prime is 28847492407. The next prime is 28847492459. The reversal of 28847492436 is 63429474882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171711181 + ... + 171711348.

Almost surely, 2^28847492436 is an apocalyptic number.

It is an amenable number.

28847492436 is an abundant number, since it is smaller than the sum of its proper divisors (48079154284).

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

28847492436 is a wasteful number, since it uses less digits than its factorization.

28847492436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343422543 (or 343422541 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 57.

The spelling of 28847492436 in words is "twenty-eight billion, eight hundred forty-seven million, four hundred ninety-two thousand, four hundred thirty-six".