378255579 has 8 divisors (see below), whose sum is σ = 543136272. Its totient is φ = 232772640.

The previous prime is 378255569. The next prime is 378255589. The reversal of 378255579 is 975552873.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (378255569) and next prime (378255589).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 378255579 - 2¹² = 378251483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378255509) 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 in 7 ways as a sum of consecutive naturals, for example, 4849392 + ... + 4849469.

It is an arithmetic number, because the mean of its divisors is an integer number (67892034).

Almost surely, 2^378255579 is an apocalyptic number.

378255579 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

378255579 is a deficient number, since it is larger than the sum of its proper divisors (164880693).

378255579 is a wasteful number, since it uses less digits than its factorization.

378255579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9698877.

The product of its digits is 2646000, while the sum is 51.

The square root of 378255579 is about 19448.7937672237. The cubic root of 378255579 is about 723.2056006740.

The spelling of 378255579 in words is "three hundred seventy-eight million, two hundred fifty-five thousand, five hundred seventy-nine".