977227164162 has 54 divisors (see below), whose sum is σ = 2170609119081. Its totient is φ = 317741531040.

The previous prime is 977227164131. The next prime is 977227164163. The reversal of 977227164162 is 261461722779.

977227164162 is a `hidden beast` number, since 97 + 72 + 2 + 71 + 6 + 416 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 697894830801 + 279332333361 = 835401^2 + 528519^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=699009.

It is a super-2 number, since 2×977227164162² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 977227164099 and 977227164108.

It is not an unprimeable number, because it can be changed into a prime (977227164163) 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 26 ways as a sum of consecutive naturals, for example, 171953373 + ... + 171959055.

Almost surely, 2^977227164162 is an apocalyptic number.

977227164162 is an abundant number, since it is smaller than the sum of its proper divisors (1193381954919).

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

977227164162 is an frugal number, since it uses more digits than its factorization.

977227164162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11456 (or 5729 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The spelling of 977227164162 in words is "nine hundred seventy-seven billion, two hundred twenty-seven million, one hundred sixty-four thousand, one hundred sixty-two".