84678693 has 8 divisors (see below), whose sum is σ = 123169056. Its totient is φ = 51320400.

The previous prime is 84678689. The next prime is 84678719. The reversal of 84678693 is 39687648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84678693 - 2² = 84678689 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84678493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282978 + ... + 1283043.

It is an arithmetic number, because the mean of its divisors is an integer number (15396132).

Almost surely, 2^84678693 is an apocalyptic number.

It is an amenable number.

84678693 is a deficient number, since it is larger than the sum of its proper divisors (38490363).

84678693 is a wasteful number, since it uses less digits than its factorization.

84678693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566035.

The product of its digits is 1741824, while the sum is 51.

The square root of 84678693 is about 9202.1026401578. The cubic root of 84678693 is about 439.1282550666.

The spelling of 84678693 in words is "eighty-four million, six hundred seventy-eight thousand, six hundred ninety-three".