972199308228 has 24 divisors (see below), whose sum is σ = 2283689654400. Its totient is φ = 321891492960.

The previous prime is 972199308187. The next prime is 972199308253. The reversal of 972199308228 is 822803991279.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271866028 + ... + 271869603.

It is an arithmetic number, because the mean of its divisors is an integer number (95153735600).

Almost surely, 2^972199308228 is an apocalyptic number.

It is an amenable number.

972199308228 is an abundant number, since it is smaller than the sum of its proper divisors (1311490346172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

972199308228 is a wasteful number, since it uses less digits than its factorization.

972199308228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543735787 (or 543735785 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 972199308228 in words is "nine hundred seventy-two billion, one hundred ninety-nine million, three hundred eight thousand, two hundred twenty-eight".