378874187806 has 4 divisors (see below), whose sum is σ = 568311281712. Its totient is φ = 189437093902.

The previous prime is 378874187773. The next prime is 378874187807. The reversal of 378874187806 is 608781478873.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378874187807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94718546950 + ... + 94718546953.

It is an arithmetic number, because the mean of its divisors is an integer number (142077820428).

Almost surely, 2^378874187806 is an apocalyptic number.

378874187806 is a deficient number, since it is larger than the sum of its proper divisors (189437093906).

378874187806 is a wasteful number, since it uses less digits than its factorization.

378874187806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189437093905.

The product of its (nonzero) digits is 101154816, while the sum is 67.

The spelling of 378874187806 in words is "three hundred seventy-eight billion, eight hundred seventy-four million, one hundred eighty-seven thousand, eight hundred six".