28776254 has 8 divisors (see below), whose sum is σ = 46484760. Its totient is φ = 13281336.

The previous prime is 28776239. The next prime is 28776283. The reversal of 28776254 is 45267782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553364 + ... + 553415.

It is an arithmetic number, because the mean of its divisors is an integer number (5810595).

Almost surely, 2^28776254 is an apocalyptic number.

28776254 is a deficient number, since it is larger than the sum of its proper divisors (17708506).

28776254 is a wasteful number, since it uses less digits than its factorization.

28776254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106794.

The product of its digits is 188160, while the sum is 41.

The square root of 28776254 is about 5364.3502868474. The cubic root of 28776254 is about 306.4395054239.

The spelling of 28776254 in words is "twenty-eight million, seven hundred seventy-six thousand, two hundred fifty-four".