28779182 has 4 divisors (see below), whose sum is σ = 43168776. Its totient is φ = 14389590.

The previous prime is 28779173. The next prime is 28779203. The reversal of 28779182 is 28197782.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7194794 + ... + 7194797.

It is an arithmetic number, because the mean of its divisors is an integer number (10792194).

Almost surely, 2^28779182 is an apocalyptic number.

28779182 is a deficient number, since it is larger than the sum of its proper divisors (14389594).

28779182 is a wasteful number, since it uses less digits than its factorization.

28779182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14389593.

The product of its digits is 112896, while the sum is 44.

The square root of 28779182 is about 5364.6231927322. The cubic root of 28779182 is about 306.4498985353.

The spelling of 28779182 in words is "twenty-eight million, seven hundred seventy-nine thousand, one hundred eighty-two".