28995231842 has 16 divisors (see below), whose sum is σ = 45451324800. Its totient is φ = 13846664832.

The previous prime is 28995231817. The next prime is 28995231899. The reversal of 28995231842 is 24813259982.

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, 437342 + ... + 499257.

It is an arithmetic number, because the mean of its divisors is an integer number (2840707800).

Almost surely, 2^28995231842 is an apocalyptic number.

28995231842 is a deficient number, since it is larger than the sum of its proper divisors (16456092958).

28995231842 is a wasteful number, since it uses less digits than its factorization.

28995231842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937297.

The product of its digits is 2488320, while the sum is 53.

The spelling of 28995231842 in words is "twenty-eight billion, nine hundred ninety-five million, two hundred thirty-one thousand, eight hundred forty-two".