377147775615161 has 2 divisors, whose sum is σ = 377147775615162. Its totient is φ = 377147775615160.

The previous prime is 377147775615131. The next prime is 377147775615209. The reversal of 377147775615161 is 161516577741773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349298344725625 + 27849430889536 = 18689525^2 + 5277256^2 .

It is a cyclic number.

It is not a de Polignac number, because 377147775615161 - 2²² = 377147771420857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 377147775615091 and 377147775615100.

It is not a weakly prime, because it can be changed into another prime (377147775615131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188573887807580 + 188573887807581.

It is an arithmetic number, because the mean of its divisors is an integer number (188573887807581).

Almost surely, 2^{377147775615161} is an apocalyptic number.

It is an amenable number.

377147775615161 is a deficient number, since it is larger than the sum of its proper divisors (1).

377147775615161 is an equidigital number, since it uses as much as digits as its factorization.

377147775615161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181515600, while the sum is 68.

The spelling of 377147775615161 in words is "three hundred seventy-seven trillion, one hundred forty-seven billion, seven hundred seventy-five million, six hundred fifteen thousand, one hundred sixty-one".