1578360379 has 4 divisors (see below), whose sum is σ = 1579192560. Its totient is φ = 1577528200.

The previous prime is 1578360367. The next prime is 1578360401. The reversal of 1578360379 is 9730638751.

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 1578360379 - 2⁵ = 1578360347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1578360079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413239 + ... + 417040.

It is an arithmetic number, because the mean of its divisors is an integer number (394798140).

Almost surely, 2^1578360379 is an apocalyptic number.

1578360379 is a deficient number, since it is larger than the sum of its proper divisors (832181).

1578360379 is an equidigital number, since it uses as much as digits as its factorization.

1578360379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832180.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 1578360379 is about 39728.5839037839. The cubic root of 1578360379 is about 1164.3102572281.

The spelling of 1578360379 in words is "one billion, five hundred seventy-eight million, three hundred sixty thousand, three hundred seventy-nine".