83972167 has 2 divisors, whose sum is σ = 83972168. Its totient is φ = 83972166.

The previous prime is 83972159. The next prime is 83972201. The reversal of 83972167 is 76127938.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83972167 - 2³ = 83972159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83972117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41986083 + 41986084.

It is an arithmetic number, because the mean of its divisors is an integer number (41986084).

Almost surely, 2^83972167 is an apocalyptic number.

83972167 is a deficient number, since it is larger than the sum of its proper divisors (1).

83972167 is an equidigital number, since it uses as much as digits as its factorization.

83972167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 83972167 is about 9163.6328494762. The cubic root of 83972167 is about 437.9035375516.

The spelling of 83972167 in words is "eighty-three million, nine hundred seventy-two thousand, one hundred sixty-seven".