83958163829 has 2 divisors, whose sum is σ = 83958163830. Its totient is φ = 83958163828.

The previous prime is 83958163771. The next prime is 83958163853. The reversal of 83958163829 is 92836185938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81554222929 + 2403940900 = 285577^2 + 49030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83958163829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83958160829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41979081914 + 41979081915.

It is an arithmetic number, because the mean of its divisors is an integer number (41979081915).

Almost surely, 2^83958163829 is an apocalyptic number.

It is an amenable number.

83958163829 is a deficient number, since it is larger than the sum of its proper divisors (1).

83958163829 is an equidigital number, since it uses as much as digits as its factorization.

83958163829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 62.

The spelling of 83958163829 in words is "eighty-three billion, nine hundred fifty-eight million, one hundred sixty-three thousand, eight hundred twenty-nine".