84684050371 has 2 divisors, whose sum is σ = 84684050372. Its totient is φ = 84684050370.

The previous prime is 84684050369. The next prime is 84684050387. The reversal of 84684050371 is 17305048648.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84684050371 - 2¹ = 84684050369 is a prime.

Together with 84684050369, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (84684050771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42342025185 + 42342025186.

It is an arithmetic number, because the mean of its divisors is an integer number (42342025186).

Almost surely, 2^84684050371 is an apocalyptic number.

84684050371 is a deficient number, since it is larger than the sum of its proper divisors (1).

84684050371 is an equidigital number, since it uses as much as digits as its factorization.

84684050371 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 84684050371 in words is "eighty-four billion, six hundred eighty-four million, fifty thousand, three hundred seventy-one".