378817506267 has 16 divisors (see below), whose sum is σ = 524505311232. Its totient is φ = 242934917760.

The previous prime is 378817506247. The next prime is 378817506271. The reversal of 378817506267 is 762605718873.

It is a happy number.

378817506267 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 378817506267 - 2⁶ = 378817506203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378817506267.

It is not an unprimeable number, because it can be changed into a prime (378817506247) 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, 12179998 + ... + 12211059.

It is an arithmetic number, because the mean of its divisors is an integer number (32781581952).

Almost surely, 2^378817506267 is an apocalyptic number.

378817506267 is a deficient number, since it is larger than the sum of its proper divisors (145687804965).

378817506267 is a wasteful number, since it uses less digits than its factorization.

378817506267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24391258.

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 378817506267 in words is "three hundred seventy-eight billion, eight hundred seventeen million, five hundred six thousand, two hundred sixty-seven".