28107874667 has 8 divisors (see below), whose sum is σ = 28510170624. Its totient is φ = 27706045248.

The previous prime is 28107874649. The next prime is 28107874703. The reversal of 28107874667 is 76647870182.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28107874667 - 2²⁴ = 28091097451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28107874567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5633 + ... + 237165.

It is an arithmetic number, because the mean of its divisors is an integer number (3563771328).

Almost surely, 2^28107874667 is an apocalyptic number.

28107874667 is a deficient number, since it is larger than the sum of its proper divisors (402295957).

28107874667 is a wasteful number, since it uses less digits than its factorization.

28107874667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233269.

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 28107874667 in words is "twenty-eight billion, one hundred seven million, eight hundred seventy-four thousand, six hundred sixty-seven".