9667773723 has 4 divisors (see below), whose sum is σ = 12890364968. Its totient is φ = 6445182480.

The previous prime is 9667773691. The next prime is 9667773727. The reversal of 9667773723 is 3273777669.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9667773723 - 2⁵ = 9667773691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9667773727) 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, 1611295618 + ... + 1611295623.

It is an arithmetic number, because the mean of its divisors is an integer number (3222591242).

Almost surely, 2^9667773723 is an apocalyptic number.

9667773723 is a deficient number, since it is larger than the sum of its proper divisors (3222591245).

9667773723 is a wasteful number, since it uses less digits than its factorization.

9667773723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222591244.

The product of its digits is 14002632, while the sum is 57.

The square root of 9667773723 is about 98324.8377725588. The cubic root of 9667773723 is about 2130.3068263499.

The spelling of 9667773723 in words is "nine billion, six hundred sixty-seven million, seven hundred seventy-three thousand, seven hundred twenty-three".