83667079 has 2 divisors, whose sum is σ = 83667080. Its totient is φ = 83667078.

The previous prime is 83667061. The next prime is 83667107. The reversal of 83667079 is 97076638.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83667079 - 2⁷ = 83666951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83667049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41833539 + 41833540.

It is an arithmetic number, because the mean of its divisors is an integer number (41833540).

Almost surely, 2^83667079 is an apocalyptic number.

83667079 is a deficient number, since it is larger than the sum of its proper divisors (1).

83667079 is an equidigital number, since it uses as much as digits as its factorization.

83667079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 83667079 is about 9146.9710287067. The cubic root of 83667079 is about 437.3725630465.

The spelling of 83667079 in words is "eighty-three million, six hundred sixty-seven thousand, seventy-nine".