328077778 has 8 divisors (see below), whose sum is σ = 562419072. Its totient is φ = 140604756.

The previous prime is 328077751. The next prime is 328077787. The reversal of 328077778 is 877770823.

328077778 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11717050 + ... + 11717077.

It is an arithmetic number, because the mean of its divisors is an integer number (70302384).

Almost surely, 2^328077778 is an apocalyptic number.

328077778 is a deficient number, since it is larger than the sum of its proper divisors (234341294).

328077778 is a wasteful number, since it uses less digits than its factorization.

328077778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23434136.

The product of its (nonzero) digits is 921984, while the sum is 49.

The square root of 328077778 is about 18112.9174348033. The cubic root of 328077778 is about 689.6979550368.

The spelling of 328077778 in words is "three hundred twenty-eight million, seventy-seven thousand, seven hundred seventy-eight".