377362889161 has 2 divisors, whose sum is σ = 377362889162. Its totient is φ = 377362889160.

The previous prime is 377362889107. The next prime is 377362889179. The reversal of 377362889161 is 161988263773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203023237561 + 174339651600 = 450581^2 + 417540^2 .

It is a cyclic number.

It is not a de Polignac number, because 377362889161 - 2¹³ = 377362880969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 377362889161.

It is not a weakly prime, because it can be changed into another prime (377362889191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188681444580 + 188681444581.

It is an arithmetic number, because the mean of its divisors is an integer number (188681444581).

Almost surely, 2^377362889161 is an apocalyptic number.

It is an amenable number.

377362889161 is a deficient number, since it is larger than the sum of its proper divisors (1).

377362889161 is an equidigital number, since it uses as much as digits as its factorization.

377362889161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 61.

The spelling of 377362889161 in words is "three hundred seventy-seven billion, three hundred sixty-two million, eight hundred eighty-nine thousand, one hundred sixty-one".