378878268134 has 16 divisors (see below), whose sum is σ = 570018774528. Its totient is φ = 188872388352.

The previous prime is 378878268121. The next prime is 378878268137. The reversal of 378878268134 is 431862878873.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378878268137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942184 + ... + 2128340.

It is an arithmetic number, because the mean of its divisors is an integer number (35626173408).

Almost surely, 2^378878268134 is an apocalyptic number.

378878268134 is a deficient number, since it is larger than the sum of its proper divisors (191140506394).

378878268134 is a wasteful number, since it uses less digits than its factorization.

378878268134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189199.

The product of its digits is 86704128, while the sum is 65.

The spelling of 378878268134 in words is "three hundred seventy-eight billion, eight hundred seventy-eight million, two hundred sixty-eight thousand, one hundred thirty-four".