84670063 has 4 divisors (see below), whose sum is σ = 85461480. Its totient is φ = 83878648.

The previous prime is 84670037. The next prime is 84670073. The reversal of 84670063 is 36007648.

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 84670063 - 2⁵ = 84670031 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 (84670073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395548 + ... + 395761.

It is an arithmetic number, because the mean of its divisors is an integer number (21365370).

Almost surely, 2^84670063 is an apocalyptic number.

84670063 is a deficient number, since it is larger than the sum of its proper divisors (791417).

84670063 is a wasteful number, since it uses less digits than its factorization.

84670063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791416.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 84670063 is about 9201.6337136402. The cubic root of 84670063 is about 439.1133366912.

The spelling of 84670063 in words is "eighty-four million, six hundred seventy thousand, sixty-three".