378825085 has 4 divisors (see below), whose sum is σ = 454590108. Its totient is φ = 303060064.

The previous prime is 378825037. The next prime is 378825089. The reversal of 378825085 is 580528873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 292204836 + 86620249 = 17094^2 + 9307^2 .

It is a cyclic number.

It is not a de Polignac number, because 378825085 - 2²¹ = 376727933 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 (378825089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37882504 + ... + 37882513.

It is an arithmetic number, because the mean of its divisors is an integer number (113647527).

Almost surely, 2^378825085 is an apocalyptic number.

It is an amenable number.

378825085 is a deficient number, since it is larger than the sum of its proper divisors (75765023).

378825085 is an equidigital number, since it uses as much as digits as its factorization.

378825085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75765022.

The product of its (nonzero) digits is 537600, while the sum is 46.

The square root of 378825085 is about 19463.4294254635. The cubic root of 378825085 is about 723.5683742580.

The spelling of 378825085 in words is "three hundred seventy-eight million, eight hundred twenty-five thousand, eighty-five".