378857303638 has 8 divisors (see below), whose sum is σ = 619948315080. Its totient is φ = 172207865280.

The previous prime is 378857303603. The next prime is 378857303677. The reversal of 378857303638 is 836303758873.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8610393243 + ... + 8610393286.

It is an arithmetic number, because the mean of its divisors is an integer number (77493539385).

Almost surely, 2^378857303638 is an apocalyptic number.

378857303638 is a deficient number, since it is larger than the sum of its proper divisors (241091011442).

378857303638 is a wasteful number, since it uses less digits than its factorization.

378857303638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17220786542.

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 378857303638 in words is "three hundred seventy-eight billion, eight hundred fifty-seven million, three hundred three thousand, six hundred thirty-eight".