28000277774 has 8 divisors (see below), whose sum is σ = 48000476208. Its totient is φ = 12000119040.

The previous prime is 28000277749. The next prime is 28000277801. The reversal of 28000277774 is 47777200082.

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, 1000009907 + ... + 1000009934.

It is an arithmetic number, because the mean of its divisors is an integer number (6000059526).

Almost surely, 2^28000277774 is an apocalyptic number.

28000277774 is a deficient number, since it is larger than the sum of its proper divisors (20000198434).

28000277774 is a wasteful number, since it uses less digits than its factorization.

28000277774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000019850.

The product of its (nonzero) digits is 307328, while the sum is 44.

The spelling of 28000277774 in words is "twenty-eight billion, two hundred seventy-seven thousand, seven hundred seventy-four".