972856828911 has 16 divisors (see below), whose sum is σ = 1415208481920. Its totient is φ = 589550197920.

The previous prime is 972856828907. The next prime is 972856828919. The reversal of 972856828911 is 119828658279.

972856828911 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 972856828911 - 2² = 972856828907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972856828919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1169760 + ... + 1820453.

It is an arithmetic number, because the mean of its divisors is an integer number (88450530120).

Almost surely, 2^972856828911 is an apocalyptic number.

972856828911 is a deficient number, since it is larger than the sum of its proper divisors (442351653009).

972856828911 is a wasteful number, since it uses less digits than its factorization.

972856828911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000086.

The product of its digits is 34836480, while the sum is 66.

The spelling of 972856828911 in words is "nine hundred seventy-two billion, eight hundred fifty-six million, eight hundred twenty-eight thousand, nine hundred eleven".