325578327778 has 64 divisors (see below), whose sum is σ = 571427136000. Its totient is φ = 137554934400.

The previous prime is 325578327769. The next prime is 325578327779. The reversal of 325578327778 is 877723875523.

It is not an unprimeable number, because it can be changed into a prime (325578327779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12836233 + ... + 12861571.

It is an arithmetic number, because the mean of its divisors is an integer number (8928549000).

Almost surely, 2^325578327778 is an apocalyptic number.

325578327778 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

325578327778 is a deficient number, since it is larger than the sum of its proper divisors (245848808222).

325578327778 is a wasteful number, since it uses less digits than its factorization.

325578327778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25951.

The product of its digits is 138297600, while the sum is 64.

It can be divided in two parts, 325578 and 327778, that added together give a palindrome (653356).

The spelling of 325578327778 in words is "three hundred twenty-five billion, five hundred seventy-eight million, three hundred twenty-seven thousand, seven hundred seventy-eight".