28779262 has 16 divisors (see below), whose sum is σ = 45705600. Its totient is φ = 13552920.

The previous prime is 28779227. The next prime is 28779271. The reversal of 28779262 is 26297782.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4687 + ... + 8917.

It is an arithmetic number, because the mean of its divisors is an integer number (2856600).

Almost surely, 2^28779262 is an apocalyptic number.

28779262 is a deficient number, since it is larger than the sum of its proper divisors (16926338).

28779262 is a wasteful number, since it uses less digits than its factorization.

28779262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431.

The product of its digits is 169344, while the sum is 43.

The square root of 28779262 is about 5364.6306489823. The cubic root of 28779262 is about 306.4501824902.

The spelling of 28779262 in words is "twenty-eight million, seven hundred seventy-nine thousand, two hundred sixty-two".