28769854 has 4 divisors (see below), whose sum is σ = 43154784. Its totient is φ = 14384926.

The previous prime is 28769843. The next prime is 28769861. The reversal of 28769854 is 45896782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45896782 = 2 ⋅22948391.

It is a junction number, because it is equal to n+sod(n) for n = 28769798 and 28769807.

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, 7192462 + ... + 7192465.

It is an arithmetic number, because the mean of its divisors is an integer number (10788696).

Almost surely, 2^28769854 is an apocalyptic number.

28769854 is a deficient number, since it is larger than the sum of its proper divisors (14384930).

28769854 is a wasteful number, since it uses less digits than its factorization.

28769854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14384929.

The product of its digits is 967680, while the sum is 49.

The square root of 28769854 is about 5363.7537229071. The cubic root of 28769854 is about 306.4167857856.

The spelling of 28769854 in words is "twenty-eight million, seven hundred sixty-nine thousand, eight hundred fifty-four".