77934183959 has 2 divisors, whose sum is σ = 77934183960. Its totient is φ = 77934183958.

The previous prime is 77934183881. The next prime is 77934183991. The reversal of 77934183959 is 95938143977.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77934183959 - 2³⁶ = 9214707223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77934183895 and 77934183904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77934183559) 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, 38967091979 + 38967091980.

It is an arithmetic number, because the mean of its divisors is an integer number (38967091980).

Almost surely, 2^77934183959 is an apocalyptic number.

77934183959 is a deficient number, since it is larger than the sum of its proper divisors (1).

77934183959 is an equidigital number, since it uses as much as digits as its factorization.

77934183959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51438240, while the sum is 65.

The spelling of 77934183959 in words is "seventy-seven billion, nine hundred thirty-four million, one hundred eighty-three thousand, nine hundred fifty-nine".