84055967 has 2 divisors, whose sum is σ = 84055968. Its totient is φ = 84055966.

The previous prime is 84055963. The next prime is 84055991. The reversal of 84055967 is 76955048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84055967 - 2² = 84055963 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84055963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42027983 + 42027984.

It is an arithmetic number, because the mean of its divisors is an integer number (42027984).

Almost surely, 2^84055967 is an apocalyptic number.

84055967 is a deficient number, since it is larger than the sum of its proper divisors (1).

84055967 is an equidigital number, since it uses as much as digits as its factorization.

84055967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 84055967 is about 9168.2041316716. The cubic root of 84055967 is about 438.0491576917.

The spelling of 84055967 in words is "eighty-four million, fifty-five thousand, nine hundred sixty-seven".