28572850158 has 32 divisors (see below), whose sum is σ = 57429945216. Its totient is φ = 9477019488.

The previous prime is 28572850151. The next prime is 28572850259. The reversal of 28572850158 is 85105827582.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28572850158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28572850151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057485 + ... + 1084167.

It is an arithmetic number, because the mean of its divisors is an integer number (1794685788).

Almost surely, 2^28572850158 is an apocalyptic number.

28572850158 is an abundant number, since it is smaller than the sum of its proper divisors (28857095058).

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

28572850158 is a wasteful number, since it uses less digits than its factorization.

28572850158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27568.

The product of its (nonzero) digits is 1792000, while the sum is 51.

The spelling of 28572850158 in words is "twenty-eight billion, five hundred seventy-two million, eight hundred fifty thousand, one hundred fifty-eight".