28876187167 has 16 divisors (see below), whose sum is σ = 30305358720. Its totient is φ = 27494309664.

The previous prime is 28876187129. The next prime is 28876187173. The reversal of 28876187167 is 76178167882.

It is not a de Polignac number, because 28876187167 - 2²³ = 28867798559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28876184167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3837693 + ... + 3845209.

It is an arithmetic number, because the mean of its divisors is an integer number (1894084920).

Almost surely, 2^28876187167 is an apocalyptic number.

28876187167 is a deficient number, since it is larger than the sum of its proper divisors (1429171553).

28876187167 is an frugal number, since it uses more digits than its factorization.

28876187167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7695 (or 7601 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 61.

The spelling of 28876187167 in words is "twenty-eight billion, eight hundred seventy-six million, one hundred eighty-seven thousand, one hundred sixty-seven".