28776614 has 16 divisors (see below), whose sum is σ = 46040400. Its totient is φ = 13442304.

The previous prime is 28776607. The next prime is 28776641. The reversal of 28776614 is 41667782.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1682 + ... + 7770.

It is an arithmetic number, because the mean of its divisors is an integer number (2877525).

Almost surely, 2^28776614 is an apocalyptic number.

28776614 is a deficient number, since it is larger than the sum of its proper divisors (17263786).

28776614 is a wasteful number, since it uses less digits than its factorization.

28776614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6247.

The product of its digits is 112896, while the sum is 41.

The square root of 28776614 is about 5364.3838415982. The cubic root of 28776614 is about 306.4407833035.

The spelling of 28776614 in words is "twenty-eight million, seven hundred seventy-six thousand, six hundred fourteen".