972357986211 has 4 divisors (see below), whose sum is σ = 1296477314952. Its totient is φ = 648238657472.

The previous prime is 972357986207. The next prime is 972357986227. The reversal of 972357986211 is 112689753279.

It is a happy number.

972357986211 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 an emirpimes, since its reverse is a distinct semiprime: 112689753279 = 3 ⋅37563251093.

It is a cyclic number.

It is not a de Polignac number, because 972357986211 - 2² = 972357986207 is a prime.

It is a super-3 number, since 3×972357986211³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (972357986291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162059664366 + ... + 162059664371.

It is an arithmetic number, because the mean of its divisors is an integer number (324119328738).

Almost surely, 2^972357986211 is an apocalyptic number.

972357986211 is a deficient number, since it is larger than the sum of its proper divisors (324119328741).

972357986211 is a wasteful number, since it uses less digits than its factorization.

972357986211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324119328740.

The product of its digits is 11430720, while the sum is 60.

The spelling of 972357986211 in words is "nine hundred seventy-two billion, three hundred fifty-seven million, nine hundred eighty-six thousand, two hundred eleven".