93861216839 has 4 divisors (see below), whose sum is σ = 101081310456. Its totient is φ = 86641123224.

The previous prime is 93861216809. The next prime is 93861216887.

It is a happy number.

93861216839 is nontrivially palindromic in base 10.

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 93861216839 - 2⁸ = 93861216583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93861216809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3610046789 + ... + 3610046814.

It is an arithmetic number, because the mean of its divisors is an integer number (25270327614).

Almost surely, 2^93861216839 is an apocalyptic number.

93861216839 is a deficient number, since it is larger than the sum of its proper divisors (7220093617).

93861216839 is a wasteful number, since it uses less digits than its factorization.

93861216839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220093616.

The product of its digits is 3359232, while the sum is 56.

The spelling of 93861216839 in words is "ninety-three billion, eight hundred sixty-one million, two hundred sixteen thousand, eight hundred thirty-nine".