78511190063 has 2 divisors, whose sum is σ = 78511190064. Its totient is φ = 78511190062.

The previous prime is 78511190057. The next prime is 78511190071. The reversal of 78511190063 is 36009111587.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78511190063 - 2¹² = 78511185967 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78511190063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78511190033) 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 as a sum of consecutive naturals, namely, 39255595031 + 39255595032.

It is an arithmetic number, because the mean of its divisors is an integer number (39255595032).

Almost surely, 2^78511190063 is an apocalyptic number.

78511190063 is a deficient number, since it is larger than the sum of its proper divisors (1).

78511190063 is an equidigital number, since it uses as much as digits as its factorization.

78511190063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 78511190063 in words is "seventy-eight billion, five hundred eleven million, one hundred ninety thousand, sixty-three".