77959627361 has 24 divisors (see below), whose sum is σ = 103693524480. Its totient is φ = 57174353280.

The previous prime is 77959627303. The next prime is 77959627387. The reversal of 77959627361 is 16372695977.

It is not a de Polignac number, because 77959627361 - 2¹⁰ = 77959626337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77959627294 and 77959627303.

It is not an unprimeable number, because it can be changed into a prime (77959627061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2692721 + ... + 2721518.

It is an arithmetic number, because the mean of its divisors is an integer number (4320563520).

Almost surely, 2^77959627361 is an apocalyptic number.

It is an amenable number.

77959627361 is a deficient number, since it is larger than the sum of its proper divisors (25733897119).

77959627361 is a wasteful number, since it uses less digits than its factorization.

77959627361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414285 (or 5414274 counting only the distinct ones).

The product of its digits is 30005640, while the sum is 62.

The spelling of 77959627361 in words is "seventy-seven billion, nine hundred fifty-nine million, six hundred twenty-seven thousand, three hundred sixty-one".