83608889863 has 2 divisors, whose sum is σ = 83608889864. Its totient is φ = 83608889862.

The previous prime is 83608889809. The next prime is 83608889867. The reversal of 83608889863 is 36898880638.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83608889863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83608889867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41804444931 + 41804444932.

It is an arithmetic number, because the mean of its divisors is an integer number (41804444932).

Almost surely, 2^83608889863 is an apocalyptic number.

83608889863 is a deficient number, since it is larger than the sum of its proper divisors (1).

83608889863 is an equidigital number, since it uses as much as digits as its factorization.

83608889863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95551488, while the sum is 67.

The spelling of 83608889863 in words is "eighty-three billion, six hundred eight million, eight hundred eighty-nine thousand, eight hundred sixty-three".