28083611167 has 4 divisors (see below), whose sum is σ = 28104904080. Its totient is φ = 28062318256.

The previous prime is 28083611161. The next prime is 28083611183. The reversal of 28083611167 is 76111638082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28083611167 - 2¹⁵ = 28083578399 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 (28083611161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10644478 + ... + 10647115.

It is an arithmetic number, because the mean of its divisors is an integer number (7026226020).

Almost surely, 2^28083611167 is an apocalyptic number.

28083611167 is a deficient number, since it is larger than the sum of its proper divisors (21292913).

28083611167 is a wasteful number, since it uses less digits than its factorization.

28083611167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21292912.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 28083611167 in words is "twenty-eight billion, eighty-three million, six hundred eleven thousand, one hundred sixty-seven".