28318153755 has 32 divisors (see below), whose sum is σ = 47802585600. Its totient is φ = 14275464192.

The previous prime is 28318153739. The next prime is 28318153807. The reversal of 28318153755 is 55735181382.

It is not a de Polignac number, because 28318153755 - 2⁴ = 28318153739 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11947 + ... + 238283.

It is an arithmetic number, because the mean of its divisors is an integer number (1493830800).

Almost surely, 2^28318153755 is an apocalyptic number.

28318153755 is a deficient number, since it is larger than the sum of its proper divisors (19484431845).

28318153755 is a wasteful number, since it uses less digits than its factorization.

28318153755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226803.

The product of its digits is 1008000, while the sum is 48.

The spelling of 28318153755 in words is "twenty-eight billion, three hundred eighteen million, one hundred fifty-three thousand, seven hundred fifty-five".