28749038030 has 16 divisors (see below), whose sum is σ = 51760581120. Its totient is φ = 11496879072.

The previous prime is 28749038027. The next prime is 28749038039. The reversal of 28749038030 is 3083094782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28749038039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297614 + ... + 382193.

It is an arithmetic number, because the mean of its divisors is an integer number (3235036320).

Almost surely, 2^28749038030 is an apocalyptic number.

28749038030 is a deficient number, since it is larger than the sum of its proper divisors (23011543090).

28749038030 is a wasteful number, since it uses less digits than its factorization.

28749038030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684043.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 28749038030 in words is "twenty-eight billion, seven hundred forty-nine million, thirty-eight thousand, thirty".