84076766 has 4 divisors (see below), whose sum is σ = 126115152. Its totient is φ = 42038382.

The previous prime is 84076721. The next prime is 84076813. The reversal of 84076766 is 66767048.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21019190 + ... + 21019193.

It is an arithmetic number, because the mean of its divisors is an integer number (31528788).

Almost surely, 2^84076766 is an apocalyptic number.

84076766 is a deficient number, since it is larger than the sum of its proper divisors (42038386).

84076766 is a wasteful number, since it uses less digits than its factorization.

84076766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42038385.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 84076766 is about 9169.3383621720. The cubic root of 84076766 is about 438.0852853393.

The spelling of 84076766 in words is "eighty-four million, seventy-six thousand, seven hundred sixty-six".