378188156285 has 16 divisors (see below), whose sum is σ = 455978231040. Its totient is φ = 301116553920.

The previous prime is 378188156263. The next prime is 378188156287. The reversal of 378188156285 is 582651881873.

It is a de Polignac number, because none of the positive numbers 2^k-378188156285 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378188156287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3066524 + ... + 3187466.

It is an arithmetic number, because the mean of its divisors is an integer number (28498639440).

Almost surely, 2^378188156285 is an apocalyptic number.

It is an amenable number.

378188156285 is a deficient number, since it is larger than the sum of its proper divisors (77790074755).

378188156285 is a wasteful number, since it uses less digits than its factorization.

378188156285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123908.

The product of its digits is 25804800, while the sum is 62.

The spelling of 378188156285 in words is "three hundred seventy-eight billion, one hundred eighty-eight million, one hundred fifty-six thousand, two hundred eighty-five".