328774401427 has 4 divisors (see below), whose sum is σ = 330443307216. Its totient is φ = 327105495640.

The previous prime is 328774401419. The next prime is 328774401433. The reversal of 328774401427 is 724104477823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724104477823 = 109 ⋅6643160347.

It is a cyclic number.

It is not a de Polignac number, because 328774401427 - 2³ = 328774401419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328774401127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834452599 + ... + 834452992.

It is an arithmetic number, because the mean of its divisors is an integer number (82610826804).

Almost surely, 2^328774401427 is an apocalyptic number.

328774401427 is a deficient number, since it is larger than the sum of its proper divisors (1668905789).

328774401427 is a wasteful number, since it uses less digits than its factorization.

328774401427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668905788.

The product of its (nonzero) digits is 2107392, while the sum is 49.

The spelling of 328774401427 in words is "three hundred twenty-eight billion, seven hundred seventy-four million, four hundred one thousand, four hundred twenty-seven".