78075683563 has 2 divisors, whose sum is σ = 78075683564. Its totient is φ = 78075683562.

The previous prime is 78075683561. The next prime is 78075683591. The reversal of 78075683563 is 36538657087.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78075683563 - 2¹ = 78075683561 is a prime.

It is a super-3 number, since 3×78075683563³ (a number of 34 digits) contains 333 as substring.

Together with 78075683561, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 78075683498 and 78075683507.

It is not a weakly prime, because it can be changed into another prime (78075683561) 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, 39037841781 + 39037841782.

It is an arithmetic number, because the mean of its divisors is an integer number (39037841782).

Almost surely, 2^78075683563 is an apocalyptic number.

78075683563 is a deficient number, since it is larger than the sum of its proper divisors (1).

78075683563 is an equidigital number, since it uses as much as digits as its factorization.

78075683563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 58.

The spelling of 78075683563 in words is "seventy-eight billion, seventy-five million, six hundred eighty-three thousand, five hundred sixty-three".