84768767 has 4 divisors (see below), whose sum is σ = 85149120. Its totient is φ = 84388416.

The previous prime is 84768751. The next prime is 84768773. The reversal of 84768767 is 76786748.

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

It is a cyclic number.

It is not a de Polignac number, because 84768767 - 2⁴ = 84768751 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84768737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189842 + ... + 190287.

It is an arithmetic number, because the mean of its divisors is an integer number (21287280).

Almost surely, 2^84768767 is an apocalyptic number.

84768767 is a deficient number, since it is larger than the sum of its proper divisors (380353).

84768767 is a wasteful number, since it uses less digits than its factorization.

84768767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380352.

The product of its digits is 3161088, while the sum is 53.

The square root of 84768767 is about 9206.9955468654. The cubic root of 84768767 is about 439.2839023359.

The spelling of 84768767 in words is "eighty-four million, seven hundred sixty-eight thousand, seven hundred sixty-seven".