8345860685438 has 4 divisors (see below), whose sum is σ = 12518791028160. Its totient is φ = 4172930342718.

The previous prime is 8345860685429. The next prime is 8345860685443.

8345860685438 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2086465171358 + ... + 2086465171361.

It is an arithmetic number, because the mean of its divisors is an integer number (3129697757040).

Almost surely, 2^{8345860685438} is an apocalyptic number.

8345860685438 is a deficient number, since it is larger than the sum of its proper divisors (4172930342722).

8345860685438 is a wasteful number, since it uses less digits than its factorization.

8345860685438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172930342721.

The product of its (nonzero) digits is 530841600, while the sum is 68.

The spelling of 8345860685438 in words is "eight trillion, three hundred forty-five billion, eight hundred sixty million, six hundred eighty-five thousand, four hundred thirty-eight".