28343861703 has 12 divisors (see below), whose sum is σ = 40953854760. Its totient is φ = 18890036496.

The previous prime is 28343861563. The next prime is 28343861717. The reversal of 28343861703 is 30716834382.

28343861703 is a `hidden beast` number, since 28 + 3 + 4 + 3 + 8 + 617 + 0 + 3 = 666.

It is not a de Polignac number, because 28343861703 - 2¹⁶ = 28343796167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28343865703) 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 11 ways as a sum of consecutive naturals, for example, 458601 + ... + 516722.

It is an arithmetic number, because the mean of its divisors is an integer number (3412821230).

Almost surely, 2^28343861703 is an apocalyptic number.

28343861703 is a deficient number, since it is larger than the sum of its proper divisors (12609993057).

28343861703 is a wasteful number, since it uses less digits than its factorization.

28343861703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978558 (or 978555 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 28343861703 in words is "twenty-eight billion, three hundred forty-three million, eight hundred sixty-one thousand, seven hundred three".