378484177 has 4 divisors (see below), whose sum is σ = 390693376. Its totient is φ = 366274980.

The previous prime is 378484153. The next prime is 378484187. The reversal of 378484177 is 771484873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 378484177 - 2¹⁹ = 377959889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378484177.

It is not an unprimeable number, because it can be changed into a prime (378484147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6104553 + ... + 6104614.

It is an arithmetic number, because the mean of its divisors is an integer number (97673344).

Almost surely, 2^378484177 is an apocalyptic number.

It is an amenable number.

378484177 is a deficient number, since it is larger than the sum of its proper divisors (12209199).

378484177 is a wasteful number, since it uses less digits than its factorization.

378484177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12209198.

The product of its digits is 1053696, while the sum is 49.

The square root of 378484177 is about 19454.6697993053. The cubic root of 378484177 is about 723.3512606192.

It can be divided in two parts, 37848 and 4177, that added together give a square (42025 = 205²).

The spelling of 378484177 in words is "three hundred seventy-eight million, four hundred eighty-four thousand, one hundred seventy-seven".