28689763342 has 16 divisors (see below), whose sum is σ = 43438459680. Its totient is φ = 14210331552.

The previous prime is 28689763331. The next prime is 28689763351. The reversal of 28689763342 is 24336798682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354828 + ... + 1375840.

It is an arithmetic number, because the mean of its divisors is an integer number (2714903730).

Almost surely, 2^28689763342 is an apocalyptic number.

28689763342 is a deficient number, since it is larger than the sum of its proper divisors (14748696338).

28689763342 is a wasteful number, since it uses less digits than its factorization.

28689763342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27387.

The product of its digits is 20901888, while the sum is 58.

The spelling of 28689763342 in words is "twenty-eight billion, six hundred eighty-nine million, seven hundred sixty-three thousand, three hundred forty-two".