28833620428732 has 24 divisors (see below), whose sum is σ = 57667365217280. Its totient is φ = 12357239249520.

The previous prime is 28833620428703. The next prime is 28833620428747. The reversal of 28833620428732 is 23782402633882.

It is a super-2 number, since 2×28833620428732² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17690269 + ... + 19251307.

Almost surely, 2^{28833620428732} is an apocalyptic number.

It is an amenable number.

28833620428732 is an abundant number, since it is smaller than the sum of its proper divisors (28833744788548).

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

28833620428732 is a wasteful number, since it uses less digits than its factorization.

28833620428732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220721 (or 2220719 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 58.

The spelling of 28833620428732 in words is "twenty-eight trillion, eight hundred thirty-three billion, six hundred twenty million, four hundred twenty-eight thousand, seven hundred thirty-two".