93856963821 has 16 divisors (see below), whose sum is σ = 125575296000. Its totient is φ = 62355344688.

The previous prime is 93856963729. The next prime is 93856963843. The reversal of 93856963821 is 12836965839.

It is not a de Polignac number, because 93856963821 - 2⁷ = 93856963693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93856963861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969580 + ... + 1061978.

It is an arithmetic number, because the mean of its divisors is an integer number (7848456000).

Almost surely, 2^93856963821 is an apocalyptic number.

It is an amenable number.

93856963821 is a deficient number, since it is larger than the sum of its proper divisors (31718332179).

93856963821 is a wasteful number, since it uses less digits than its factorization.

93856963821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93568.

The product of its digits is 16796160, while the sum is 60.

The spelling of 93856963821 in words is "ninety-three billion, eight hundred fifty-six million, nine hundred sixty-three thousand, eight hundred twenty-one".