1578572070379 has 2 divisors, whose sum is σ = 1578572070380. Its totient is φ = 1578572070378.

The previous prime is 1578572070349. The next prime is 1578572070391. The reversal of 1578572070379 is 9730702758751.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1578572070379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1578572070329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789286035189 + 789286035190.

It is an arithmetic number, because the mean of its divisors is an integer number (789286035190).

Almost surely, 2^{1578572070379} is an apocalyptic number.

1578572070379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1578572070379 is an equidigital number, since it uses as much as digits as its factorization.

1578572070379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25930800, while the sum is 61.

The spelling of 1578572070379 in words is "one trillion, five hundred seventy-eight billion, five hundred seventy-two million, seventy thousand, three hundred seventy-nine".