28574574285 has 32 divisors (see below), whose sum is σ = 47747144448. Its totient is φ = 14564943360.

The previous prime is 28574574233. The next prime is 28574574293. The reversal of 28574574285 is 58247547582.

It is not a de Polignac number, because 28574574285 - 2⁷ = 28574574157 is a prime.

It is a super-2 number, since 2×28574574285² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 384345 + ... + 452625.

It is an arithmetic number, because the mean of its divisors is an integer number (1492098264).

Almost surely, 2^28574574285 is an apocalyptic number.

It is an amenable number.

28574574285 is a deficient number, since it is larger than the sum of its proper divisors (19172570163).

28574574285 is a wasteful number, since it uses less digits than its factorization.

28574574285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69525.

The product of its digits is 25088000, while the sum is 57.

The spelling of 28574574285 in words is "twenty-eight billion, five hundred seventy-four million, five hundred seventy-four thousand, two hundred eighty-five".