328715457427 has 12 divisors (see below), whose sum is σ = 382422220320. Its totient is φ = 281727418896.

The previous prime is 328715457353. The next prime is 328715457449. The reversal of 328715457427 is 724754517823.

It is not a de Polignac number, because 328715457427 - 2³¹ = 326567973779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328715457457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151849 + ... + 824917.

It is an arithmetic number, because the mean of its divisors is an integer number (31868518360).

Almost surely, 2^328715457427 is an apocalyptic number.

328715457427 is a deficient number, since it is larger than the sum of its proper divisors (53706762893).

328715457427 is an equidigital number, since it uses as much as digits as its factorization.

328715457427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683050 (or 683043 counting only the distinct ones).

The product of its digits is 13171200, while the sum is 55.

The spelling of 328715457427 in words is "three hundred twenty-eight billion, seven hundred fifteen million, four hundred fifty-seven thousand, four hundred twenty-seven".