83845967 has 2 divisors, whose sum is σ = 83845968. Its totient is φ = 83845966.

The previous prime is 83845963. The next prime is 83845969. The reversal of 83845967 is 76954838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83845967 - 2² = 83845963 is a prime.

Together with 83845969, 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 (83845963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41922983 + 41922984.

It is an arithmetic number, because the mean of its divisors is an integer number (41922984).

Almost surely, 2^83845967 is an apocalyptic number.

83845967 is a deficient number, since it is larger than the sum of its proper divisors (1).

83845967 is an equidigital number, since it uses as much as digits as its factorization.

83845967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 83845967 is about 9156.7443450170. The cubic root of 83845967 is about 437.6840555641.

The spelling of 83845967 in words is "eighty-three million, eight hundred forty-five thousand, nine hundred sixty-seven".