378874011321 has 12 divisors (see below), whose sum is σ = 589359573348. Its totient is φ = 233153237664.

The previous prime is 378874011289. The next prime is 378874011337. The reversal of 378874011321 is 123110478873.

378874011321 is a `hidden beast` number, since 37 + 8 + 87 + 401 + 132 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 169691268096 + 209182743225 = 411936^2 + 457365^2 .

It is not a de Polignac number, because 378874011321 - 2⁵ = 378874011289 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (378874011121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1619119590 + ... + 1619119823.

It is an arithmetic number, because the mean of its divisors is an integer number (49113297779).

Almost surely, 2^378874011321 is an apocalyptic number.

It is an amenable number.

378874011321 is a deficient number, since it is larger than the sum of its proper divisors (210485562027).

378874011321 is a wasteful number, since it uses less digits than its factorization.

378874011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238239432 (or 3238239429 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 378874011321 in words is "three hundred seventy-eight billion, eight hundred seventy-four million, eleven thousand, three hundred twenty-one".