1238216876427 has 8 divisors (see below), whose sum is σ = 1651595999040. Its totient is φ = 825157835720.

The previous prime is 1238216876417. The next prime is 1238216876443. The reversal of 1238216876427 is 7246786128321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1238216876427 - 2⁴ = 1238216876411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1238216876417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80011449 + ... + 80026922.

It is an arithmetic number, because the mean of its divisors is an integer number (206449499880).

Almost surely, 2^{1238216876427} is an apocalyptic number.

1238216876427 is a deficient number, since it is larger than the sum of its proper divisors (413379122613).

1238216876427 is a wasteful number, since it uses less digits than its factorization.

1238216876427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160040953.

The product of its digits is 10838016, while the sum is 57.

The spelling of 1238216876427 in words is "one trillion, two hundred thirty-eight billion, two hundred sixteen million, eight hundred seventy-six thousand, four hundred twenty-seven".