7777161341 has 2 divisors, whose sum is σ = 7777161342. Its totient is φ = 7777161340.

The previous prime is 7777161323. The next prime is 7777161397. The reversal of 7777161341 is 1431617777.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5772808441 + 2004352900 = 75979^2 + 44770^2 .

It is a cyclic number.

It is not a de Polignac number, because 7777161341 - 2⁶ = 7777161277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7777161292 and 7777161301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7777101341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3888580670 + 3888580671.

It is an arithmetic number, because the mean of its divisors is an integer number (3888580671).

Almost surely, 2^7777161341 is an apocalyptic number.

It is an amenable number.

7777161341 is a deficient number, since it is larger than the sum of its proper divisors (1).

7777161341 is an equidigital number, since it uses as much as digits as its factorization.

7777161341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172872, while the sum is 44.

The square root of 7777161341 is about 88188.2154315416. The cubic root of 7777161341 is about 1981.2549726034.

The spelling of 7777161341 in words is "seven billion, seven hundred seventy-seven million, one hundred sixty-one thousand, three hundred forty-one".