3668878414177 has 4 divisors (see below), whose sum is σ = 3670119160596. Its totient is φ = 3667637667760.

The previous prime is 3668878414163. The next prime is 3668878414181. The reversal of 3668878414177 is 7714148788663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1789591115536 + 1879287298641 = 1337756^2 + 1370871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3668878414177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3668878414477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620368774 + ... + 620374687.

It is an arithmetic number, because the mean of its divisors is an integer number (917529790149).

Almost surely, 2^{3668878414177} is an apocalyptic number.

It is an amenable number.

3668878414177 is a deficient number, since it is larger than the sum of its proper divisors (1240746419).

3668878414177 is a wasteful number, since it uses less digits than its factorization.

3668878414177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240746418.

The product of its digits is 303464448, while the sum is 70.

The spelling of 3668878414177 in words is "three trillion, six hundred sixty-eight billion, eight hundred seventy-eight million, four hundred fourteen thousand, one hundred seventy-seven".