77913544963 has 2 divisors, whose sum is σ = 77913544964. Its totient is φ = 77913544962.

The previous prime is 77913544957. The next prime is 77913545029. The reversal of 77913544963 is 36944531977.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77913544963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77913544898 and 77913544907.

It is not a weakly prime, because it can be changed into another prime (77913544903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38956772481 + 38956772482.

It is an arithmetic number, because the mean of its divisors is an integer number (38956772482).

Almost surely, 2^77913544963 is an apocalyptic number.

77913544963 is a deficient number, since it is larger than the sum of its proper divisors (1).

77913544963 is an equidigital number, since it uses as much as digits as its factorization.

77913544963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17146080, while the sum is 58.

The spelling of 77913544963 in words is "seventy-seven billion, nine hundred thirteen million, five hundred forty-four thousand, nine hundred sixty-three".