7576977422161 has 27 divisors (see below), whose sum is σ = 8843563402353. Its totient is φ = 6472866849120.

The previous prime is 7576977422123. The next prime is 7576977422191. The reversal of 7576977422161 is 1612247796757.

The square root of 7576977422161 is 2752631.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3341382923025 + 4235594499136 = 1827945^2 + 2058056^2 .

It is not a de Polignac number, because 7576977422161 - 2¹¹ = 7576977420113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7576977422093 and 7576977422102.

It is not an unprimeable number, because it can be changed into a prime (7576977422191) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8882739811 + ... + 8882740663.

Almost surely, 2^{7576977422161} is an apocalyptic number.

7576977422161 is the 2752631-st square number.

7576977422161 is the 1376316-th centered octagonal number.

It is an amenable number.

7576977422161 is a deficient number, since it is larger than the sum of its proper divisors (1266585980192).

7576977422161 is an frugal number, since it uses more digits than its factorization.

7576977422161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642 (or 1321 counting only the distinct ones).

The product of its digits is 62233920, while the sum is 64.

Multiplying 7576977422161 by its sum of digits (64), we get a square (484926555018304 = 22021048²).

The spelling of 7576977422161 in words is "seven trillion, five hundred seventy-six billion, nine hundred seventy-seven million, four hundred twenty-two thousand, one hundred sixty-one".