10277772009 has 4 divisors (see below), whose sum is σ = 13703696016. Its totient is φ = 6851848004.

The previous prime is 10277772007. The next prime is 10277772017. The reversal of 10277772009 is 90027777201.

10277772009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10277772009 - 2¹ = 10277772007 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10277772007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712961999 + ... + 1712962004.

It is an arithmetic number, because the mean of its divisors is an integer number (3425924004).

Almost surely, 2^10277772009 is an apocalyptic number.

It is an amenable number.

10277772009 is a deficient number, since it is larger than the sum of its proper divisors (3425924007).

10277772009 is an equidigital number, since it uses as much as digits as its factorization.

10277772009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425924006.

The product of its (nonzero) digits is 86436, while the sum is 42.

The spelling of 10277772009 in words is "ten billion, two hundred seventy-seven million, seven hundred seventy-two thousand, nine".