83745814231 has 2 divisors, whose sum is σ = 83745814232. Its totient is φ = 83745814230.

The previous prime is 83745814193. The next prime is 83745814247. The reversal of 83745814231 is 13241854738.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83745814231 is a prime.

It is a super-2 number, since 2×83745814231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83745814331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41872907115 + 41872907116.

It is an arithmetic number, because the mean of its divisors is an integer number (41872907116).

Almost surely, 2^83745814231 is an apocalyptic number.

83745814231 is a deficient number, since it is larger than the sum of its proper divisors (1).

83745814231 is an equidigital number, since it uses as much as digits as its factorization.

83745814231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 46.

The spelling of 83745814231 in words is "eighty-three billion, seven hundred forty-five million, eight hundred fourteen thousand, two hundred thirty-one".