390775079999 has 2 divisors, whose sum is σ = 390775080000. Its totient is φ = 390775079998.

The previous prime is 390775079963. The next prime is 390775080041. The reversal of 390775079999 is 999970577093.

It is a weak prime.

It is an emirp because it is prime and its reverse (999970577093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 390775079999 - 2¹² = 390775075903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390775073999) 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 as a sum of consecutive naturals, namely, 195387539999 + 195387540000.

It is an arithmetic number, because the mean of its divisors is an integer number (195387540000).

Almost surely, 2^390775079999 is an apocalyptic number.

390775079999 is a deficient number, since it is larger than the sum of its proper divisors (1).

390775079999 is an equidigital number, since it uses as much as digits as its factorization.

390775079999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 303807105, while the sum is 74.

The spelling of 390775079999 in words is "three hundred ninety billion, seven hundred seventy-five million, seventy-nine thousand, nine hundred ninety-nine".