28755213038 has 8 divisors (see below), whose sum is σ = 43134428232. Its totient is φ = 14377070296.

The previous prime is 28755213037. The next prime is 28755213041. The reversal of 28755213038 is 83031255782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28755213038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28755213037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197345 + ... + 310572.

It is an arithmetic number, because the mean of its divisors is an integer number (5391803529).

Almost surely, 2^28755213038 is an apocalyptic number.

28755213038 is a deficient number, since it is larger than the sum of its proper divisors (14379215194).

28755213038 is a wasteful number, since it uses less digits than its factorization.

28755213038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536226.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 28755213038 in words is "twenty-eight billion, seven hundred fifty-five million, two hundred thirteen thousand, thirty-eight".