8067402686 has 16 divisors (see below), whose sum is σ = 13985226720. Its totient is φ = 3418609920.

The previous prime is 8067402631. The next prime is 8067402689. The reversal of 8067402686 is 6862047608.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8067402686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8067402689) 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, 3236075 + ... + 3238566.

It is an arithmetic number, because the mean of its divisors is an integer number (874076670).

Almost surely, 2^8067402686 is an apocalyptic number.

8067402686 is a deficient number, since it is larger than the sum of its proper divisors (5917824034).

8067402686 is a wasteful number, since it uses less digits than its factorization.

8067402686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474739.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 8067402686 is about 89818.7212445156. The cubic root of 8067402686 is about 2005.6011891958.

The spelling of 8067402686 in words is "eight billion, sixty-seven million, four hundred two thousand, six hundred eighty-six".