327646533727677 has 4 divisors (see below), whose sum is σ = 436862044970240. Its totient is φ = 218431022485116.

The previous prime is 327646533727607. The next prime is 327646533727717. The reversal of 327646533727677 is 776727335646723.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 327646533727677 - 2¹⁹ = 327646533203389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 327646533727599 and 327646533727608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327646533727607) 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, 54607755621277 + ... + 54607755621282.

It is an arithmetic number, because the mean of its divisors is an integer number (109215511242560).

Almost surely, 2^{327646533727677} is an apocalyptic number.

It is an amenable number.

327646533727677 is a deficient number, since it is larger than the sum of its proper divisors (109215511242563).

327646533727677 is a wasteful number, since it uses less digits than its factorization.

327646533727677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109215511242562.

The product of its digits is 7841473920, while the sum is 75.

The spelling of 327646533727677 in words is "three hundred twenty-seven trillion, six hundred forty-six billion, five hundred thirty-three million, seven hundred twenty-seven thousand, six hundred seventy-seven".