9272864681279 has 4 divisors (see below), whose sum is σ = 9760910190840. Its totient is φ = 8784819171720.

The previous prime is 9272864681261. The next prime is 9272864681303. The reversal of 9272864681279 is 9721864682729.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9272864681279 is a prime.

It is a super-2 number, since 2×9272864681279² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9272864681779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244022754752 + ... + 244022754789.

It is an arithmetic number, because the mean of its divisors is an integer number (2440227547710).

Almost surely, 2^{9272864681279} is an apocalyptic number.

9272864681279 is a deficient number, since it is larger than the sum of its proper divisors (488045509561).

9272864681279 is a wasteful number, since it uses less digits than its factorization.

9272864681279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488045509560.

The product of its digits is 292626432, while the sum is 71.

The spelling of 9272864681279 in words is "nine trillion, two hundred seventy-two billion, eight hundred sixty-four million, six hundred eighty-one thousand, two hundred seventy-nine".