28086675 has 24 divisors (see below), whose sum is σ = 46715760. Its totient is φ = 14889600.

The previous prime is 28086671. The next prime is 28086679. The reversal of 28086675 is 57668082.

It is an interprime number because it is at equal distance from previous prime (28086671) and next prime (28086679).

It is not a de Polignac number, because 28086675 - 2² = 28086671 is a prime.

It is a super-2 number, since 2×28086675² = 1577722625111250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28086671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12541 + ... + 14609.

It is an arithmetic number, because the mean of its divisors is an integer number (1946490).

Almost surely, 2^28086675 is an apocalyptic number.

28086675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28086675 is a deficient number, since it is larger than the sum of its proper divisors (18629085).

28086675 is a wasteful number, since it uses less digits than its factorization.

28086675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 28086675 is about 5299.6863114717. The cubic root of 28086675 is about 303.9719034225.

The spelling of 28086675 in words is "twenty-eight million, eighty-six thousand, six hundred seventy-five".