9979727073 has 8 divisors (see below), whose sum is σ = 14089026528. Its totient is φ = 6261789504.

The previous prime is 9979727059. The next prime is 9979727089. The reversal of 9979727073 is 3707279799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9979727073 - 2²² = 9975532769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9979726998 and 9979727016.

It is not an unprimeable number, because it can be changed into a prime (9979727053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97840411 + ... + 97840512.

It is an arithmetic number, because the mean of its divisors is an integer number (1761128316).

Almost surely, 2^9979727073 is an apocalyptic number.

It is an amenable number.

9979727073 is a deficient number, since it is larger than the sum of its proper divisors (4109299455).

9979727073 is a wasteful number, since it uses less digits than its factorization.

9979727073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195680943.

The product of its (nonzero) digits is 10501974, while the sum is 60.

The square root of 9979727073 is about 99898.5839389128. The cubic root of 9979727073 is about 2152.9778151774.

The spelling of 9979727073 in words is "nine billion, nine hundred seventy-nine million, seven hundred twenty-seven thousand, seventy-three".