378137738 has 16 divisors (see below), whose sum is σ = 624900960. Its totient is φ = 170178000.

The previous prime is 378137731. The next prime is 378137741. The reversal of 378137738 is 837731873.

It is a junction number, because it is equal to n+sod(n) for n = 378137692 and 378137701.

It is not an unprimeable number, because it can be changed into a prime (378137731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82868 + ... + 87311.

It is an arithmetic number, because the mean of its divisors is an integer number (39056310).

Almost surely, 2^378137738 is an apocalyptic number.

378137738 is a deficient number, since it is larger than the sum of its proper divisors (246763222).

378137738 is a wasteful number, since it uses less digits than its factorization.

378137738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170293.

The product of its digits is 592704, while the sum is 47.

The square root of 378137738 is about 19445.7640117327. The cubic root of 378137738 is about 723.1304908562.

The spelling of 378137738 in words is "three hundred seventy-eight million, one hundred thirty-seven thousand, seven hundred thirty-eight".