328007775782 has 16 divisors (see below), whose sum is σ = 538917442560. Its totient is φ = 149033958528.

The previous prime is 328007775763. The next prime is 328007775817. The reversal of 328007775782 is 287577700823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166331558 + ... + 166333529.

It is an arithmetic number, because the mean of its divisors is an integer number (33682340160).

Almost surely, 2^328007775782 is an apocalyptic number.

328007775782 is a deficient number, since it is larger than the sum of its proper divisors (210909666778).

328007775782 is a wasteful number, since it uses less digits than its factorization.

328007775782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332665135.

The product of its (nonzero) digits is 9219840, while the sum is 56.

The spelling of 328007775782 in words is "three hundred twenty-eight billion, seven million, seven hundred seventy-five thousand, seven hundred eighty-two".