7136081878686 has 8 divisors (see below), whose sum is σ = 14272163757384. Its totient is φ = 2378693959560.

The previous prime is 7136081878657. The next prime is 7136081878693. The reversal of 7136081878686 is 6868781806317.

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

7136081878686 is an admirable number.

It is a super-2 number, since 2×7136081878686² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7136081878686.

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, 594673489885 + ... + 594673489896.

It is an arithmetic number, because the mean of its divisors is an integer number (1784020469673).

Almost surely, 2^{7136081878686} is an apocalyptic number.

7136081878686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7136081878686 is a wasteful number, since it uses less digits than its factorization.

7136081878686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189346979786.

The product of its (nonzero) digits is 130056192, while the sum is 69.

The spelling of 7136081878686 in words is "seven trillion, one hundred thirty-six billion, eighty-one million, eight hundred seventy-eight thousand, six hundred eighty-six".