28648205038 has 8 divisors (see below), whose sum is σ = 43373918232. Its totient is φ = 14190232296.

The previous prime is 28648205011. The next prime is 28648205087. The reversal of 28648205038 is 83050284682.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66934845 + ... + 66935272.

It is an arithmetic number, because the mean of its divisors is an integer number (5421739779).

Almost surely, 2^28648205038 is an apocalyptic number.

28648205038 is a deficient number, since it is larger than the sum of its proper divisors (14725713194).

28648205038 is a wasteful number, since it uses less digits than its factorization.

28648205038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133870226.

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 28648205038 in words is "twenty-eight billion, six hundred forty-eight million, two hundred five thousand, thirty-eight".