28899678603 has 18 divisors (see below), whose sum is σ = 39199309812. Its totient is φ = 18938831040.

The previous prime is 28899678601. The next prime is 28899678659. The reversal of 28899678603 is 30687699882.

It is not a de Polignac number, because 28899678603 - 2¹ = 28899678601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28899678601) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17960463 + ... + 17962071.

It is an arithmetic number, because the mean of its divisors is an integer number (2177739434).

Almost surely, 2^28899678603 is an apocalyptic number.

28899678603 is a deficient number, since it is larger than the sum of its proper divisors (10299631209).

28899678603 is an frugal number, since it uses more digits than its factorization.

28899678603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 66.

The spelling of 28899678603 in words is "twenty-eight billion, eight hundred ninety-nine million, six hundred seventy-eight thousand, six hundred three".