28466692339 has 4 divisors (see below), whose sum is σ = 28748540880. Its totient is φ = 28184843800.

The previous prime is 28466692313. The next prime is 28466692357. The reversal of 28466692339 is 93329666482.

It is a happy number.

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 28466692339 - 2⁷ = 28466692211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28466692399) 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, 140924119 + ... + 140924320.

It is an arithmetic number, because the mean of its divisors is an integer number (7187135220).

Almost surely, 2^28466692339 is an apocalyptic number.

28466692339 is a deficient number, since it is larger than the sum of its proper divisors (281848541).

28466692339 is a wasteful number, since it uses less digits than its factorization.

28466692339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281848540.

The product of its digits is 20155392, while the sum is 58.

The spelling of 28466692339 in words is "twenty-eight billion, four hundred sixty-six million, six hundred ninety-two thousand, three hundred thirty-nine".