28477683 has 36 divisors (see below), whose sum is σ = 46269720. Its totient is φ = 17302896.

The previous prime is 28477651. The next prime is 28477693. The reversal of 28477683 is 38677482.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 28477683 - 2⁵ = 28477651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28477643) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 360438 + ... + 360516.

It is an arithmetic number, because the mean of its divisors is an integer number (1285270).

Almost surely, 2^28477683 is an apocalyptic number.

28477683 is a deficient number, since it is larger than the sum of its proper divisors (17792037).

28477683 is an equidigital number, since it uses as much as digits as its factorization.

28477683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 95 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 28477683 is about 5336.4485381197. The cubic root of 28477683 is about 305.3759870884.

The spelling of 28477683 in words is "twenty-eight million, four hundred seventy-seven thousand, six hundred eighty-three".