83929883887 has 2 divisors, whose sum is σ = 83929883888. Its totient is φ = 83929883886.

The previous prime is 83929883837. The next prime is 83929883903. The reversal of 83929883887 is 78838892938.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83929883887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83929883837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41964941943 + 41964941944.

It is an arithmetic number, because the mean of its divisors is an integer number (41964941944).

Almost surely, 2^83929883887 is an apocalyptic number.

83929883887 is a deficient number, since it is larger than the sum of its proper divisors (1).

83929883887 is an equidigital number, since it uses as much as digits as its factorization.

83929883887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 334430208, while the sum is 73.

The spelling of 83929883887 in words is "eighty-three billion, nine hundred twenty-nine million, eight hundred eighty-three thousand, eight hundred eighty-seven".