28112332767 has 4 divisors (see below), whose sum is σ = 37483110360. Its totient is φ = 18741555176.

The previous prime is 28112332757. The next prime is 28112332793. The reversal of 28112332767 is 76723321182.

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 28112332767 - 2¹⁶ = 28112267231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28112332757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4685388792 + ... + 4685388797.

It is an arithmetic number, because the mean of its divisors is an integer number (9370777590).

Almost surely, 2^28112332767 is an apocalyptic number.

28112332767 is a deficient number, since it is larger than the sum of its proper divisors (9370777593).

28112332767 is an equidigital number, since it uses as much as digits as its factorization.

28112332767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370777592.

The product of its digits is 169344, while the sum is 42.

The spelling of 28112332767 in words is "twenty-eight billion, one hundred twelve million, three hundred thirty-two thousand, seven hundred sixty-seven".