28974359768 has 16 divisors (see below), whose sum is σ = 57522626280. Its totient is φ = 13634992768.

The previous prime is 28974359759. The next prime is 28974359831. The reversal of 28974359768 is 86795347982.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a junction number, because it is equal to n+sod(n) for n = 28974359698 and 28974359707.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 106523246 + ... + 106523517.

Almost surely, 2^28974359768 is an apocalyptic number.

It is an amenable number.

28974359768 is a deficient number, since it is larger than the sum of its proper divisors (28548266512).

28974359768 is a wasteful number, since it uses less digits than its factorization.

28974359768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213046786 (or 213046782 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 68.

The spelling of 28974359768 in words is "twenty-eight billion, nine hundred seventy-four million, three hundred fifty-nine thousand, seven hundred sixty-eight".