3260405776977 has 12 divisors (see below), whose sum is σ = 4871870701620. Its totient is φ = 2098651994208.

The previous prime is 3260405776949. The next prime is 3260405776981. The reversal of 3260405776977 is 7796775040623.

3260405776977 is a `hidden beast` number, since 32 + 6 + 0 + 405 + 77 + 69 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2768999168961 + 491406608016 = 1664031^2 + 701004^2 .

It is not a de Polignac number, because 3260405776977 - 2¹⁸ = 3260405514833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3260405776477) 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, 6245987818 + ... + 6245988339.

It is an arithmetic number, because the mean of its divisors is an integer number (405989225135).

Almost surely, 2^{3260405776977} is an apocalyptic number.

It is an amenable number.

3260405776977 is a deficient number, since it is larger than the sum of its proper divisors (1611464924643).

3260405776977 is a wasteful number, since it uses less digits than its factorization.

3260405776977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12491976192 (or 12491976189 counting only the distinct ones).

The product of its (nonzero) digits is 93350880, while the sum is 63.

The spelling of 3260405776977 in words is "three trillion, two hundred sixty billion, four hundred five million, seven hundred seventy-six thousand, nine hundred seventy-seven".