28100675 has 6 divisors (see below), whose sum is σ = 34844868. Its totient is φ = 22480520.

The previous prime is 28100659. The next prime is 28100707. The reversal of 28100675 is 57600182.

It is not a de Polignac number, because 28100675 - 2⁴ = 28100659 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561989 + ... + 562038.

It is an arithmetic number, because the mean of its divisors is an integer number (5807478).

Almost surely, 2^28100675 is an apocalyptic number.

28100675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28100675 is a deficient number, since it is larger than the sum of its proper divisors (6744193).

28100675 is a wasteful number, since it uses less digits than its factorization.

28100675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124037 (or 1124032 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 28100675 is about 5301.0069798105. The cubic root of 28100675 is about 304.0224006750.

The spelling of 28100675 in words is "twenty-eight million, one hundred thousand, six hundred seventy-five".