327878303861 has 8 divisors (see below), whose sum is σ = 339276012600. Its totient is φ = 316486699200.

The previous prime is 327878303843. The next prime is 327878303869. The reversal of 327878303861 is 168303878723.

It can be written as a sum of positive squares in 4 ways, for example, as 15050627761 + 312827676100 = 122681^2 + 559310^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 327878303861 - 2³⁴ = 310698434677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 327878303797 and 327878303806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327878303869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416590 + ... + 1631711.

It is an arithmetic number, because the mean of its divisors is an integer number (42409501575).

Almost surely, 2^327878303861 is an apocalyptic number.

It is an amenable number.

327878303861 is a deficient number, since it is larger than the sum of its proper divisors (11397708739).

327878303861 is a wasteful number, since it uses less digits than its factorization.

327878303861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052039.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 327878303861 in words is "three hundred twenty-seven billion, eight hundred seventy-eight million, three hundred three thousand, eight hundred sixty-one".