28388825265 has 8 divisors (see below), whose sum is σ = 45422120448. Its totient is φ = 15140706800.

The previous prime is 28388825233. The next prime is 28388825279. The reversal of 28388825265 is 56252888382.

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

It is not a de Polignac number, because 28388825265 - 2⁵ = 28388825233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946294161 + ... + 946294190.

It is an arithmetic number, because the mean of its divisors is an integer number (5677765056).

Almost surely, 2^28388825265 is an apocalyptic number.

It is an amenable number.

28388825265 is a deficient number, since it is larger than the sum of its proper divisors (17033295183).

28388825265 is a wasteful number, since it uses less digits than its factorization.

28388825265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892588359.

The product of its digits is 14745600, while the sum is 57.

The spelling of 28388825265 in words is "twenty-eight billion, three hundred eighty-eight million, eight hundred twenty-five thousand, two hundred sixty-five".