28754957628 has 36 divisors (see below), whose sum is σ = 73877724648. Its totient is φ = 9427854240.

The previous prime is 28754957593. The next prime is 28754957639. The reversal of 28754957628 is 82675945782.

28754957628 is a `hidden beast` number, since 2 + 8 + 7 + 54 + 9 + 576 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6544926 + ... + 6549317.

It is an arithmetic number, because the mean of its divisors is an integer number (2052159018).

Almost surely, 2^28754957628 is an apocalyptic number.

It is an amenable number.

28754957628 is an abundant number, since it is smaller than the sum of its proper divisors (45122767020).

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

28754957628 is a wasteful number, since it uses less digits than its factorization.

28754957628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13094314 (or 13094309 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 63.

The spelling of 28754957628 in words is "twenty-eight billion, seven hundred fifty-four million, nine hundred fifty-seven thousand, six hundred twenty-eight".