378787845 has 16 divisors (see below), whose sum is σ = 606352320. Its totient is φ = 201922944.

The previous prime is 378787837. The next prime is 378787883. The reversal of 378787845 is 548787873.

It is not a de Polignac number, because 378787845 - 2³ = 378787837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35137 + ... + 44633.

It is an arithmetic number, because the mean of its divisors is an integer number (37897020).

Almost surely, 2^378787845 is an apocalyptic number.

It is an amenable number.

378787845 is a deficient number, since it is larger than the sum of its proper divisors (227564475).

378787845 is a wasteful number, since it uses less digits than its factorization.

378787845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12164.

The product of its digits is 10536960, while the sum is 57.

The square root of 378787845 is about 19462.4727360117. The cubic root of 378787845 is about 723.5446636060.

The spelling of 378787845 in words is "three hundred seventy-eight million, seven hundred eighty-seven thousand, eight hundred forty-five".