9779383723 has 4 divisors (see below), whose sum is σ = 9779818960. Its totient is φ = 9778948488.

The previous prime is 9779383711. The next prime is 9779383811. The reversal of 9779383723 is 3273839779.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3273839779 = 7 ⋅467691397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9779383723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9779383703) 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, 181968 + ... + 229501.

It is an arithmetic number, because the mean of its divisors is an integer number (2444954740).

Almost surely, 2^9779383723 is an apocalyptic number.

9779383723 is a deficient number, since it is larger than the sum of its proper divisors (435237).

9779383723 is a wasteful number, since it uses less digits than its factorization.

9779383723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435236.

The product of its digits is 12002256, while the sum is 58.

The square root of 9779383723 is about 98890.7666215608. The cubic root of 9779383723 is about 2138.4732845982.

The spelling of 9779383723 in words is "nine billion, seven hundred seventy-nine million, three hundred eighty-three thousand, seven hundred twenty-three".