28103230392 has 32 divisors (see below), whose sum is σ = 70265404800. Its totient is φ = 9366766304.

The previous prime is 28103230357. The next prime is 28103230399. The reversal of 28103230392 is 29303230182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28103230399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195859 + ... + 307517.

It is an arithmetic number, because the mean of its divisors is an integer number (2195793900).

Almost surely, 2^28103230392 is an apocalyptic number.

It is an amenable number.

28103230392 is an abundant number, since it is smaller than the sum of its proper divisors (42162174408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28103230392 is a wasteful number, since it uses less digits than its factorization.

28103230392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122155 (or 122151 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 28103230392 in words is "twenty-eight billion, one hundred three million, two hundred thirty thousand, three hundred ninety-two".