83856311365838 has 8 divisors (see below), whose sum is σ = 137219418598680. Its totient is φ = 38116505166280.

The previous prime is 83856311365819. The next prime is 83856311365867.

83856311365838 is nontrivially palindromic in base 10.

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

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, 1905825258293 + ... + 1905825258336.

It is an arithmetic number, because the mean of its divisors is an integer number (17152427324835).

Almost surely, 2^{83856311365838} is an apocalyptic number.

83856311365838 is a deficient number, since it is larger than the sum of its proper divisors (53363107232842).

83856311365838 is a wasteful number, since it uses less digits than its factorization.

83856311365838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811650516642.

The product of its digits is 298598400, while the sum is 68.

The spelling of 83856311365838 in words is "eighty-three trillion, eight hundred fifty-six billion, three hundred eleven million, three hundred sixty-five thousand, eight hundred thirty-eight".