9772246251 has 24 divisors (see below), whose sum is σ = 14613318720. Its totient is φ = 6288852096.

The previous prime is 9772246249. The next prime is 9772246259. The reversal of 9772246251 is 1526422779.

9772246251 is a `hidden beast` number, since 97 + 72 + 246 + 251 = 666.

9772246251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9772246251 - 2¹ = 9772246249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9772246197 and 9772246206.

It is not an unprimeable number, because it can be changed into a prime (9772246259) 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 23 ways as a sum of consecutive naturals, for example, 127356 + ... + 189113.

It is an arithmetic number, because the mean of its divisors is an integer number (608888280).

Almost surely, 2^9772246251 is an apocalyptic number.

9772246251 is a deficient number, since it is larger than the sum of its proper divisors (4841072469).

9772246251 is a wasteful number, since it uses less digits than its factorization.

9772246251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316595 (or 316592 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 9772246251 is about 98854.6723781936. The cubic root of 9772246251 is about 2137.9529038861.

The spelling of 9772246251 in words is "nine billion, seven hundred seventy-two million, two hundred forty-six thousand, two hundred fifty-one".