28572639675 has 12 divisors (see below), whose sum is σ = 47240097720. Its totient is φ = 15238741120.

The previous prime is 28572639649. The next prime is 28572639713. The reversal of 28572639675 is 57693627582.

It is not a de Polignac number, because 28572639675 - 2¹² = 28572635579 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190484190 + ... + 190484339.

It is an arithmetic number, because the mean of its divisors is an integer number (3936674810).

Almost surely, 2^28572639675 is an apocalyptic number.

28572639675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28572639675 is a deficient number, since it is larger than the sum of its proper divisors (18667458045).

28572639675 is a wasteful number, since it uses less digits than its factorization.

28572639675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380968542 (or 380968537 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 60.

The spelling of 28572639675 in words is "twenty-eight billion, five hundred seventy-two million, six hundred thirty-nine thousand, six hundred seventy-five".