93993748879 has 4 divisors (see below), whose sum is σ = 94264624584. Its totient is φ = 93722873176.

The previous prime is 93993748853. The next prime is 93993748897. The reversal of 93993748879 is 97884739939.

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 93993748879 - 2¹¹ = 93993746831 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 (93993746879) 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, 135437332 + ... + 135438025.

It is an arithmetic number, because the mean of its divisors is an integer number (23566156146).

Almost surely, 2^93993748879 is an apocalyptic number.

93993748879 is a deficient number, since it is larger than the sum of its proper divisors (270875705).

93993748879 is a wasteful number, since it uses less digits than its factorization.

93993748879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270875704.

The product of its digits is 740710656, while the sum is 76.

The spelling of 93993748879 in words is "ninety-three billion, nine hundred ninety-three million, seven hundred forty-eight thousand, eight hundred seventy-nine".