86738693867 has 4 divisors (see below), whose sum is σ = 99129935856. Its totient is φ = 74347451880.

The previous prime is 86738693813. The next prime is 86738693869. The reversal of 86738693867 is 76839683768.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86738693867 - 2⁶ = 86738693803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86738693867.

It is not an unprimeable number, because it can be changed into a prime (86738693869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6195620984 + ... + 6195620997.

It is an arithmetic number, because the mean of its divisors is an integer number (24782483964).

Almost surely, 2^86738693867 is an apocalyptic number.

86738693867 is a deficient number, since it is larger than the sum of its proper divisors (12391241989).

86738693867 is a wasteful number, since it uses less digits than its factorization.

86738693867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12391241988.

The product of its digits is 438939648, while the sum is 71.

The spelling of 86738693867 in words is "eighty-six billion, seven hundred thirty-eight million, six hundred ninety-three thousand, eight hundred sixty-seven".