325715062778 has 8 divisors (see below), whose sum is σ = 558368679072. Its totient is φ = 139592169756.

The previous prime is 325715062721. The next prime is 325715062811. The reversal of 325715062778 is 877260517523.

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11632680800 + ... + 11632680827.

It is an arithmetic number, because the mean of its divisors is an integer number (69796084884).

Almost surely, 2^325715062778 is an apocalyptic number.

325715062778 is a deficient number, since it is larger than the sum of its proper divisors (232653616294).

325715062778 is a wasteful number, since it uses less digits than its factorization.

325715062778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23265361636.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 325715062778 in words is "three hundred twenty-five billion, seven hundred fifteen million, sixty-two thousand, seven hundred seventy-eight".