378238718227 has 4 divisors (see below), whose sum is σ = 378240722496. Its totient is φ = 378236713960.

The previous prime is 378238718219. The next prime is 378238718243. The reversal of 378238718227 is 722817832873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378238718227 - 2³ = 378238718219 is a prime.

It is a super-3 number, since 3×378238718227³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378238718827) 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, 685768 + ... + 1107589.

It is an arithmetic number, because the mean of its divisors is an integer number (94560180624).

Almost surely, 2^378238718227 is an apocalyptic number.

378238718227 is a deficient number, since it is larger than the sum of its proper divisors (2004269).

378238718227 is a wasteful number, since it uses less digits than its factorization.

378238718227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004268.

The product of its digits is 12644352, while the sum is 58.

The spelling of 378238718227 in words is "three hundred seventy-eight billion, two hundred thirty-eight million, seven hundred eighteen thousand, two hundred twenty-seven".