378948585849873 has 64 divisors (see below), whose sum is σ = 546916551202560. Its totient is φ = 232009333171200.

The previous prime is 378948585849863. The next prime is 378948585849893.

It is a happy number.

378948585849873 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 378948585849873 - 2⁴⁰ = 377849074222097 is a prime.

It is a super-2 number, since 2×378948585849873² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (378948585849863) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9543121143 + ... + 9543160851.

It is an arithmetic number, because the mean of its divisors is an integer number (8545571112540).

Almost surely, 2^{378948585849873} is an apocalyptic number.

It is an amenable number.

378948585849873 is a deficient number, since it is larger than the sum of its proper divisors (167967965352687).

378948585849873 is a wasteful number, since it uses less digits than its factorization.

378948585849873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41730.

The product of its digits is 468202291200, while the sum is 96.

The spelling of 378948585849873 in words is "three hundred seventy-eight trillion, nine hundred forty-eight billion, five hundred eighty-five million, eight hundred forty-nine thousand, eight hundred seventy-three".