28531273367 has 16 divisors (see below), whose sum is σ = 30041856000. Its totient is φ = 27061737120.

The previous prime is 28531273333. The next prime is 28531273369. The reversal of 28531273367 is 76337213582.

It is a cyclic number.

It is not a de Polignac number, because 28531273367 - 2²⁰ = 28530224791 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 (28531273369) 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, 378809 + ... + 447837.

It is an arithmetic number, because the mean of its divisors is an integer number (1877616000).

Almost surely, 2^28531273367 is an apocalyptic number.

28531273367 is a deficient number, since it is larger than the sum of its proper divisors (1510582633).

28531273367 is a wasteful number, since it uses less digits than its factorization.

28531273367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69326.

The product of its digits is 1270080, while the sum is 47.

The spelling of 28531273367 in words is "twenty-eight billion, five hundred thirty-one million, two hundred seventy-three thousand, three hundred sixty-seven".