385478770378 has 8 divisors (see below), whose sum is σ = 622696475268. Its totient is φ = 177913278624.

The previous prime is 385478770367. The next prime is 385478770387. The reversal of 385478770378 is 873077874583.

It can be written as a sum of positive squares in 2 ways, for example, as 320053827289 + 65424943089 = 565733^2 + 255783^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7413053251 + ... + 7413053302.

Almost surely, 2^385478770378 is an apocalyptic number.

385478770378 is a deficient number, since it is larger than the sum of its proper divisors (237217704890).

385478770378 is a wasteful number, since it uses less digits than its factorization.

385478770378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14826106568.

The product of its (nonzero) digits is 221276160, while the sum is 67.

The spelling of 385478770378 in words is "three hundred eighty-five billion, four hundred seventy-eight million, seven hundred seventy thousand, three hundred seventy-eight".