328873783078 has 4 divisors (see below), whose sum is σ = 493310674620. Its totient is φ = 164436891538.

The previous prime is 328873783061. The next prime is 328873783079. The reversal of 328873783078 is 870387378823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 870387378823 = 22247 ⋅39123809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328873783079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82218445768 + ... + 82218445771.

It is an arithmetic number, because the mean of its divisors is an integer number (123327668655).

Almost surely, 2^328873783078 is an apocalyptic number.

328873783078 is a deficient number, since it is larger than the sum of its proper divisors (164436891542).

328873783078 is a wasteful number, since it uses less digits than its factorization.

328873783078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164436891541.

The product of its (nonzero) digits is 75866112, while the sum is 64.

The spelling of 328873783078 in words is "three hundred twenty-eight billion, eight hundred seventy-three million, seven hundred eighty-three thousand, seventy-eight".