378091065 has 32 divisors (see below), whose sum is σ = 665174016. Its totient is φ = 181863360.

The previous prime is 378091031. The next prime is 378091079. The reversal of 378091065 is 560190873.

It is not a de Polignac number, because 378091065 - 2⁶ = 378091001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11934 + ... + 29976.

It is an arithmetic number, because the mean of its divisors is an integer number (20786688).

Almost surely, 2^378091065 is an apocalyptic number.

It is an amenable number.

378091065 is a deficient number, since it is larger than the sum of its proper divisors (287082951).

378091065 is a wasteful number, since it uses less digits than its factorization.

378091065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18189.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 378091065 is about 19444.5638932839. The cubic root of 378091065 is about 723.1007379781.

The spelling of 378091065 in words is "three hundred seventy-eight million, ninety-one thousand, sixty-five".