378275503 has 8 divisors (see below), whose sum is σ = 415497600. Its totient is φ = 342784728.

The previous prime is 378275489. The next prime is 378275519. The reversal of 378275503 is 305572873.

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

It is a cyclic number.

It is not a de Polignac number, because 378275503 - 2⁹ = 378274991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378275593) 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, 432373 + ... + 433246.

It is an arithmetic number, because the mean of its divisors is an integer number (51937200).

Almost surely, 2^378275503 is an apocalyptic number.

378275503 is a deficient number, since it is larger than the sum of its proper divisors (37222097).

378275503 is a wasteful number, since it uses less digits than its factorization.

378275503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865661.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 378275503 is about 19449.3059773350. The cubic root of 378275503 is about 723.2182983456.

The spelling of 378275503 in words is "three hundred seventy-eight million, two hundred seventy-five thousand, five hundred three".