28974989283 has 16 divisors (see below), whose sum is σ = 39368367360. Its totient is φ = 18949248864.

The previous prime is 28974989279. The next prime is 28974989287. The reversal of 28974989283 is 38298947982.

It is an interprime number because it is at equal distance from previous prime (28974989279) and next prime (28974989287).

It is not a de Polignac number, because 28974989283 - 2² = 28974989279 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28974989287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562178 + ... + 1580616.

It is an arithmetic number, because the mean of its divisors is an integer number (2460522960).

Almost surely, 2^28974989283 is an apocalyptic number.

28974989283 is a deficient number, since it is larger than the sum of its proper divisors (10393378077).

28974989283 is a wasteful number, since it uses less digits than its factorization.

28974989283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28378.

The product of its digits is 125411328, while the sum is 69.

The spelling of 28974989283 in words is "twenty-eight billion, nine hundred seventy-four million, nine hundred eighty-nine thousand, two hundred eighty-three".