378892265887 has 4 divisors (see below), whose sum is σ = 379472499720. Its totient is φ = 378312032056.

The previous prime is 378892265879. The next prime is 378892265891. The reversal of 378892265887 is 788562298873.

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

It is a cyclic number.

It is not a de Polignac number, because 378892265887 - 2³ = 378892265879 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 (378892265387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290115937 + ... + 290117242.

It is an arithmetic number, because the mean of its divisors is an integer number (94868124930).

Almost surely, 2^378892265887 is an apocalyptic number.

378892265887 is a deficient number, since it is larger than the sum of its proper divisors (580233833).

378892265887 is an equidigital number, since it uses as much as digits as its factorization.

378892265887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580233832.

The product of its digits is 650280960, while the sum is 73.

The spelling of 378892265887 in words is "three hundred seventy-eight billion, eight hundred ninety-two million, two hundred sixty-five thousand, eight hundred eighty-seven".