93938189377 has 4 divisors (see below), whose sum is σ = 93947641300. Its totient is φ = 93928737456.

The previous prime is 93938189357. The next prime is 93938189489. The reversal of 93938189377 is 77398183939.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77398183939 = 6709 ⋅11536471.

It can be written as a sum of positive squares in 2 ways, for example, as 20992822321 + 72945367056 = 144889^2 + 270084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93938189377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93938189327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4711038 + ... + 4730935.

It is an arithmetic number, because the mean of its divisors is an integer number (23486910325).

Almost surely, 2^93938189377 is an apocalyptic number.

It is an amenable number.

93938189377 is a deficient number, since it is larger than the sum of its proper divisors (9451923).

93938189377 is an equidigital number, since it uses as much as digits as its factorization.

93938189377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9451922.

The product of its digits is 61725888, while the sum is 67.

The spelling of 93938189377 in words is "ninety-three billion, nine hundred thirty-eight million, one hundred eighty-nine thousand, three hundred seventy-seven".