78030780463 has 2 divisors, whose sum is σ = 78030780464. Its totient is φ = 78030780462.

The previous prime is 78030780461. The next prime is 78030780523. The reversal of 78030780463 is 36408703087.

It is a weak prime.

It is an emirp because it is prime and its reverse (36408703087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78030780463 - 2¹ = 78030780461 is a prime.

Together with 78030780461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78030780461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39015390231 + 39015390232.

It is an arithmetic number, because the mean of its divisors is an integer number (39015390232).

Almost surely, 2^78030780463 is an apocalyptic number.

78030780463 is a deficient number, since it is larger than the sum of its proper divisors (1).

78030780463 is an equidigital number, since it uses as much as digits as its factorization.

78030780463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 46.

Subtracting from 78030780463 its product of nonzero digits (677376), we obtain a palindrome (78030103087).

The spelling of 78030780463 in words is "seventy-eight billion, thirty million, seven hundred eighty thousand, four hundred sixty-three".