84568678 has 8 divisors (see below), whose sum is σ = 127661472. Its totient is φ = 42014856.

The previous prime is 84568661. The next prime is 84568681. The reversal of 84568678 is 87686548.

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

It is a super-2 number, since 2×84568678² = 14303722597335368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134350 + ... + 134977.

It is an arithmetic number, because the mean of its divisors is an integer number (15957684).

Almost surely, 2^84568678 is an apocalyptic number.

84568678 is a deficient number, since it is larger than the sum of its proper divisors (43092794).

84568678 is a wasteful number, since it uses less digits than its factorization.

84568678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269486.

The product of its digits is 2580480, while the sum is 52.

The square root of 84568678 is about 9196.1229874333. The cubic root of 84568678 is about 438.9380000756.

The spelling of 84568678 in words is "eighty-four million, five hundred sixty-eight thousand, six hundred seventy-eight".