28603603876 has 27 divisors (see below), whose sum is σ = 50608651233. Its totient is φ = 14145698640.

The previous prime is 28603603849. The next prime is 28603603939. The reversal of 28603603876 is 67830630682.

The square root of 28603603876 is 169126.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7809963876 + 20793640000 = 88374^2 + 144200^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 34839546 + ... + 34840366.

Almost surely, 2^28603603876 is an apocalyptic number.

28603603876 is the 169126-th square number.

It is an amenable number.

28603603876 is a deficient number, since it is larger than the sum of its proper divisors (22005047357).

28603603876 is an frugal number, since it uses more digits than its factorization.

28603603876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

Multiplying 28603603876 by its sum of digits (49), we get a square (1401576589924 = 1183882²).

The spelling of 28603603876 in words is "twenty-eight billion, six hundred three million, six hundred three thousand, eight hundred seventy-six".