511788379 has 2 divisors, whose sum is σ = 511788380. Its totient is φ = 511788378.

The previous prime is 511788373. The next prime is 511788419. The reversal of 511788379 is 973887115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 511788379 - 2⁹ = 511787867 is a prime.

It is not a weakly prime, because it can be changed into another prime (511788373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255894189 + 255894190.

It is an arithmetic number, because the mean of its divisors is an integer number (255894190).

Almost surely, 2^511788379 is an apocalyptic number.

511788379 is a deficient number, since it is larger than the sum of its proper divisors (1).

511788379 is an equidigital number, since it uses as much as digits as its factorization.

511788379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 49.

The square root of 511788379 is about 22622.7403070450. The cubic root of 511788379 is about 799.8897655403.

The spelling of 511788379 in words is "five hundred eleven million, seven hundred eighty-eight thousand, three hundred seventy-nine".