28577428886 has 8 divisors (see below), whose sum is σ = 42868761624. Its totient is φ = 14287841680.

The previous prime is 28577428879. The next prime is 28577428889. The reversal of 28577428886 is 68882477582.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28577428889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394655 + ... + 461418.

It is an arithmetic number, because the mean of its divisors is an integer number (5358595203).

Almost surely, 2^28577428886 is an apocalyptic number.

28577428886 is a deficient number, since it is larger than the sum of its proper divisors (14291332738).

28577428886 is a wasteful number, since it uses less digits than its factorization.

28577428886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872766.

The product of its digits is 96337920, while the sum is 65.

The spelling of 28577428886 in words is "twenty-eight billion, five hundred seventy-seven million, four hundred twenty-eight thousand, eight hundred eighty-six".