84068767 has 4 divisors (see below), whose sum is σ = 86967720. Its totient is φ = 81169816.

The previous prime is 84068713. The next prime is 84068779. The reversal of 84068767 is 76786048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84068767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84068707) 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 in 3 ways as a sum of consecutive naturals, for example, 1449433 + ... + 1449490.

It is an arithmetic number, because the mean of its divisors is an integer number (21741930).

Almost surely, 2^84068767 is an apocalyptic number.

84068767 is a deficient number, since it is larger than the sum of its proper divisors (2898953).

84068767 is a wasteful number, since it uses less digits than its factorization.

84068767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898952.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 84068767 is about 9168.9021698347. The cubic root of 84068767 is about 438.0713918643.

The spelling of 84068767 in words is "eighty-four million, sixty-eight thousand, seven hundred sixty-seven".