378738183792 has 40 divisors (see below), whose sum is σ = 978736662400. Its totient is φ = 126203520960.

The previous prime is 378738183731. The next prime is 378738183851. The reversal of 378738183792 is 297381837873.

It is a super-2 number, since 2×378738183792² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185292 + ... + 1470507.

It is an arithmetic number, because the mean of its divisors is an integer number (24468416560).

Almost surely, 2^378738183792 is an apocalyptic number.

It is an amenable number.

378738183792 is an abundant number, since it is smaller than the sum of its proper divisors (599998478608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378738183792 is a wasteful number, since it uses less digits than its factorization.

378738183792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658781 (or 2658775 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 66.

The spelling of 378738183792 in words is "three hundred seventy-eight billion, seven hundred thirty-eight million, one hundred eighty-three thousand, seven hundred ninety-two".