378437013831 has 16 divisors (see below), whose sum is σ = 510296129280. Its totient is φ = 249435109440.

The previous prime is 378437013809. The next prime is 378437013839. The reversal of 378437013831 is 138310734873.

It is a happy number.

It is not a de Polignac number, because 378437013831 - 2⁶ = 378437013767 is a prime.

It is a super-2 number, since 2×378437013831² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378437013839) 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 15 ways as a sum of consecutive naturals, for example, 3411876 + ... + 3521046.

It is an arithmetic number, because the mean of its divisors is an integer number (31893508080).

Almost surely, 2^378437013831 is an apocalyptic number.

378437013831 is a deficient number, since it is larger than the sum of its proper divisors (131859115449).

378437013831 is a wasteful number, since it uses less digits than its factorization.

378437013831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122246.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 378437013831 in words is "three hundred seventy-eight billion, four hundred thirty-seven million, thirteen thousand, eight hundred thirty-one".