328613861378 has 8 divisors (see below), whose sum is σ = 537731773200. Its totient is φ = 149369936980.

The previous prime is 328613861357. The next prime is 328613861501. The reversal of 328613861378 is 873168316823.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7468496828 + ... + 7468496871.

It is an arithmetic number, because the mean of its divisors is an integer number (67216471650).

Almost surely, 2^328613861378 is an apocalyptic number.

328613861378 is a deficient number, since it is larger than the sum of its proper divisors (209117911822).

328613861378 is a wasteful number, since it uses less digits than its factorization.

328613861378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14936993712.

The product of its digits is 6967296, while the sum is 56.

Subtracting 328613861378 from its reverse (873168316823), we obtain a palindrome (544554455445).

The spelling of 328613861378 in words is "three hundred twenty-eight billion, six hundred thirteen million, eight hundred sixty-one thousand, three hundred seventy-eight".