28734747536 has 40 divisors (see below), whose sum is σ = 60755751264. Its totient is φ = 13056744960.

The previous prime is 28734747523. The next prime is 28734747553. The reversal of 28734747536 is 63574743782.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513176 + ... + 566408.

Almost surely, 2^28734747536 is an apocalyptic number.

It is an amenable number.

28734747536 is an abundant number, since it is smaller than the sum of its proper divisors (32021003728).

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

28734747536 is a wasteful number, since it uses less digits than its factorization.

28734747536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56319 (or 56313 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 56.

The spelling of 28734747536 in words is "twenty-eight billion, seven hundred thirty-four million, seven hundred forty-seven thousand, five hundred thirty-six".