378836108431 has 16 divisors (see below), whose sum is σ = 438156835200. Its totient is φ = 323923039200.

The previous prime is 378836108423. The next prime is 378836108447. The reversal of 378836108431 is 134801638873.

It is a cyclic number.

It is not a de Polignac number, because 378836108431 - 2³ = 378836108423 is a prime.

It is a super-2 number, since 2×378836108431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378836108531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6491140 + ... + 6549241.

It is an arithmetic number, because the mean of its divisors is an integer number (27384802200).

Almost surely, 2^378836108431 is an apocalyptic number.

378836108431 is a deficient number, since it is larger than the sum of its proper divisors (59320726769).

378836108431 is a wasteful number, since it uses less digits than its factorization.

378836108431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13040550.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 378836108431 in words is "three hundred seventy-eight billion, eight hundred thirty-six million, one hundred eight thousand, four hundred thirty-one".