3777775777377 has 12 divisors (see below), whose sum is σ = 6236328267520. Its totient is φ = 2158729015608.

The previous prime is 3777775777361. The next prime is 3777775777381. The reversal of 3777775777377 is 7737775777773.

3777775777377 is a `hidden beast` number, since 3 + 7 + 7 + 7 + 7 + 7 + 577 + 7 + 37 + 7 = 666.

It is not a de Polignac number, because 3777775777377 - 2⁴ = 3777775777361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3777775777296 and 3777775777305.

It is not an unprimeable number, because it can be changed into a prime (3777775777357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29982347377 + ... + 29982347502.

Almost surely, 2^{3777775777377} is an apocalyptic number.

It is an amenable number.

3777775777377 is a deficient number, since it is larger than the sum of its proper divisors (2458552490143).

3777775777377 is a wasteful number, since it uses less digits than its factorization.

3777775777377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59964694892 (or 59964694889 counting only the distinct ones).

The product of its digits is 12711386205, while the sum is 81.

The spelling of 3777775777377 in words is "three trillion, seven hundred seventy-seven billion, seven hundred seventy-five million, seven hundred seventy-seven thousand, three hundred seventy-seven".