378815457514 has 8 divisors (see below), whose sum is σ = 611932662180. Its totient is φ = 174837903456.

The previous prime is 378815457457. The next prime is 378815457541. The reversal of 378815457514 is 415754518873.

It can be written as a sum of positive squares in 2 ways, for example, as 367508750625 + 11306706889 = 606225^2 + 106333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×378815457514² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 7284912619 + ... + 7284912670.

Almost surely, 2^378815457514 is an apocalyptic number.

378815457514 is a deficient number, since it is larger than the sum of its proper divisors (233117204666).

378815457514 is a wasteful number, since it uses less digits than its factorization.

378815457514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14569825304.

The product of its digits is 18816000, while the sum is 58.

The spelling of 378815457514 in words is "three hundred seventy-eight billion, eight hundred fifteen million, four hundred fifty-seven thousand, five hundred fourteen".