28554072854 has 4 divisors (see below), whose sum is σ = 42831109284. Its totient is φ = 14277036426.

The previous prime is 28554072847. The next prime is 28554072857. The reversal of 28554072854 is 45827045582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45827045582 = 2 ⋅22913522791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28554072857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7138518212 + ... + 7138518215.

It is an arithmetic number, because the mean of its divisors is an integer number (10707777321).

Almost surely, 2^28554072854 is an apocalyptic number.

28554072854 is a deficient number, since it is larger than the sum of its proper divisors (14277036430).

28554072854 is a wasteful number, since it uses less digits than its factorization.

28554072854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14277036429.

The product of its (nonzero) digits is 3584000, while the sum is 50.

The spelling of 28554072854 in words is "twenty-eight billion, five hundred fifty-four million, seventy-two thousand, eight hundred fifty-four".