28861427230 has 16 divisors (see below), whose sum is σ = 52068915360. Its totient is φ = 11518271712.

The previous prime is 28861427227. The next prime is 28861427261. The reversal of 28861427230 is 3272416882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3282789 + ... + 3291568.

It is an arithmetic number, because the mean of its divisors is an integer number (3254307210).

Almost surely, 2^28861427230 is an apocalyptic number.

28861427230 is a deficient number, since it is larger than the sum of its proper divisors (23207488130).

28861427230 is a wasteful number, since it uses less digits than its factorization.

28861427230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574803.

The product of its (nonzero) digits is 258048, while the sum is 43.

It can be divided in two parts, 288614 and 27230, that added together give a square (315844 = 562²).

The spelling of 28861427230 in words is "twenty-eight billion, eight hundred sixty-one million, four hundred twenty-seven thousand, two hundred thirty".