28878958203 has 8 divisors (see below), whose sum is σ = 38552759616. Its totient is φ = 19228897800.

The previous prime is 28878958201. The next prime is 28878958223. The reversal of 28878958203 is 30285987882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28878958203 - 2¹ = 28878958201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28878958201) 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, 5932413 + ... + 5937278.

It is an arithmetic number, because the mean of its divisors is an integer number (4819094952).

Almost surely, 2^28878958203 is an apocalyptic number.

28878958203 is a deficient number, since it is larger than the sum of its proper divisors (9673801413).

28878958203 is a wasteful number, since it uses less digits than its factorization.

28878958203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11870505.

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 28878958203 in words is "twenty-eight billion, eight hundred seventy-eight million, nine hundred fifty-eight thousand, two hundred three".