83185440367 has 2 divisors, whose sum is σ = 83185440368. Its totient is φ = 83185440366.

The previous prime is 83185440337. The next prime is 83185440407. The reversal of 83185440367 is 76304458138.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83185440367 - 2³⁵ = 48825701999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83185440367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83185440337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41592720183 + 41592720184.

It is an arithmetic number, because the mean of its divisors is an integer number (41592720184).

Almost surely, 2^83185440367 is an apocalyptic number.

83185440367 is a deficient number, since it is larger than the sum of its proper divisors (1).

83185440367 is an equidigital number, since it uses as much as digits as its factorization.

83185440367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 83185440367 in words is "eighty-three billion, one hundred eighty-five million, four hundred forty thousand, three hundred sixty-seven".