378878268464 has 10 divisors (see below), whose sum is σ = 734076645180. Its totient is φ = 189439134224.

The previous prime is 378878268427. The next prime is 378878268467. The reversal of 378878268464 is 464862878873.

It is not an unprimeable number, because it can be changed into a prime (378878268467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11839945874 + ... + 11839945905.

It is an arithmetic number, because the mean of its divisors is an integer number (73407664518).

Almost surely, 2^378878268464 is an apocalyptic number.

It is an amenable number.

378878268464 is a deficient number, since it is larger than the sum of its proper divisors (355198376716).

378878268464 is a wasteful number, since it uses less digits than its factorization.

378878268464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23679891787 (or 23679891781 counting only the distinct ones).

The product of its digits is 693633024, while the sum is 71.

The spelling of 378878268464 in words is "three hundred seventy-eight billion, eight hundred seventy-eight million, two hundred sixty-eight thousand, four hundred sixty-four".