28696675 has 12 divisors (see below), whose sum is σ = 40667536. Its totient is φ = 19677600.

The previous prime is 28696643. The next prime is 28696687. The reversal of 28696675 is 57669682.

It is a happy number.

It is not a de Polignac number, because 28696675 - 2⁵ = 28696643 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81816 + ... + 82165.

Almost surely, 2^28696675 is an apocalyptic number.

28696675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28696675 is a deficient number, since it is larger than the sum of its proper divisors (11970861).

28696675 is a wasteful number, since it uses less digits than its factorization.

28696675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163998 (or 163993 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 28696675 is about 5356.9277575864. The cubic root of 28696675 is about 306.1567646210.

The spelling of 28696675 in words is "twenty-eight million, six hundred ninety-six thousand, six hundred seventy-five".