83190850823947 has 2 divisors, whose sum is σ = 83190850823948. Its totient is φ = 83190850823946.

The previous prime is 83190850823887. The next prime is 83190850823963. The reversal of 83190850823947 is 74932805809138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83190850823947 - 2¹⁵ = 83190850791179 is a prime.

It is not a weakly prime, because it can be changed into another prime (83190850883947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41595425411973 + 41595425411974.

It is an arithmetic number, because the mean of its divisors is an integer number (41595425411974).

Almost surely, 2^{83190850823947} is an apocalyptic number.

83190850823947 is a deficient number, since it is larger than the sum of its proper divisors (1).

83190850823947 is an equidigital number, since it uses as much as digits as its factorization.

83190850823947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 83190850823947 in words is "eighty-three trillion, one hundred ninety billion, eight hundred fifty million, eight hundred twenty-three thousand, nine hundred forty-seven".