93856071139 has 4 divisors (see below), whose sum is σ = 93927121720. Its totient is φ = 93785020560.

The previous prime is 93856071121. The next prime is 93856071167. The reversal of 93856071139 is 93117065839.

It is a happy number.

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 93856071139 - 2⁷ = 93856071011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93856071839) 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, 35523309 + ... + 35525950.

It is an arithmetic number, because the mean of its divisors is an integer number (23481780430).

Almost surely, 2^93856071139 is an apocalyptic number.

93856071139 is a deficient number, since it is larger than the sum of its proper divisors (71050581).

93856071139 is a wasteful number, since it uses less digits than its factorization.

93856071139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71050580.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 93856071139 in words is "ninety-three billion, eight hundred fifty-six million, seventy-one thousand, one hundred thirty-nine".