8142186678 has 16 divisors (see below), whose sum is σ = 16301580480. Its totient is φ = 2711194376.

The previous prime is 8142186667. The next prime is 8142186683. The reversal of 8142186678 is 8766812418.

It is a self number, because there is not a number n which added to its sum of digits gives 8142186678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710808 + ... + 722171.

It is an arithmetic number, because the mean of its divisors is an integer number (1018848780).

Almost surely, 2^8142186678 is an apocalyptic number.

8142186678 is an abundant number, since it is smaller than the sum of its proper divisors (8159393802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8142186678 is a wasteful number, since it uses less digits than its factorization.

8142186678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433931.

The product of its digits is 1032192, while the sum is 51.

The square root of 8142186678 is about 90234.0660615491. The cubic root of 8142186678 is about 2011.7793767721.

The spelling of 8142186678 in words is "eight billion, one hundred forty-two million, one hundred eighty-six thousand, six hundred seventy-eight".