84950837 has 2 divisors, whose sum is σ = 84950838. Its totient is φ = 84950836.

The previous prime is 84950809. The next prime is 84950839. The reversal of 84950837 is 73805948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84529636 + 421201 = 9194^2 + 649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84950837 is a prime.

Together with 84950839, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84950839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42475418 + 42475419.

It is an arithmetic number, because the mean of its divisors is an integer number (42475419).

Almost surely, 2^84950837 is an apocalyptic number.

It is an amenable number.

84950837 is a deficient number, since it is larger than the sum of its proper divisors (1).

84950837 is an equidigital number, since it uses as much as digits as its factorization.

84950837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 84950837 is about 9216.8778336267. The cubic root of 84950837 is about 439.5981817156.

The spelling of 84950837 in words is "eighty-four million, nine hundred fifty thousand, eight hundred thirty-seven".