28572654158 has 16 divisors (see below), whose sum is σ = 43002116736. Its totient is φ = 14238643320.

The previous prime is 28572654067. The next prime is 28572654167. The reversal of 28572654158 is 85145627582.

It is a happy number.

It is a super-4 number, since 4×28572654158⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

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, 3241385 + ... + 3250187.

It is an arithmetic number, because the mean of its divisors is an integer number (2687632296).

Almost surely, 2^28572654158 is an apocalyptic number.

28572654158 is a deficient number, since it is larger than the sum of its proper divisors (14429462578).

28572654158 is a wasteful number, since it uses less digits than its factorization.

28572654158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14039.

The product of its digits is 5376000, while the sum is 53.

The spelling of 28572654158 in words is "twenty-eight billion, five hundred seventy-two million, six hundred fifty-four thousand, one hundred fifty-eight".