78897080063 has 2 divisors, whose sum is σ = 78897080064. Its totient is φ = 78897080062.

The previous prime is 78897080047. The next prime is 78897080089. The reversal of 78897080063 is 36008079887.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78897080063 - 2⁴ = 78897080047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78897079990 and 78897080008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78897080033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39448540031 + 39448540032.

It is an arithmetic number, because the mean of its divisors is an integer number (39448540032).

Almost surely, 2^78897080063 is an apocalyptic number.

78897080063 is a deficient number, since it is larger than the sum of its proper divisors (1).

78897080063 is an equidigital number, since it uses as much as digits as its factorization.

78897080063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 78897080063 in words is "seventy-eight billion, eight hundred ninety-seven million, eighty thousand, sixty-three".