9912727601 has 4 divisors (see below), whose sum is σ = 11328831552. Its totient is φ = 8496623652.

The previous prime is 9912727579. The next prime is 9912727603. The reversal of 9912727601 is 1067272199.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9912727601 - 2⁶ = 9912727537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9912727603) 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, 708051965 + ... + 708051978.

It is an arithmetic number, because the mean of its divisors is an integer number (2832207888).

Almost surely, 2^9912727601 is an apocalyptic number.

It is an amenable number.

9912727601 is a deficient number, since it is larger than the sum of its proper divisors (1416103951).

9912727601 is a wasteful number, since it uses less digits than its factorization.

9912727601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416103950.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 9912727601 is about 99562.6817688234. The cubic root of 9912727601 is about 2148.1489458845.

The spelling of 9912727601 in words is "nine billion, nine hundred twelve million, seven hundred twenty-seven thousand, six hundred one".