77063758857 has 16 divisors (see below), whose sum is σ = 114207311680. Its totient is φ = 51358388256.

The previous prime is 77063758847. The next prime is 77063758861. The reversal of 77063758857 is 75885736077.

It is not a de Polignac number, because 77063758857 - 2⁷ = 77063758729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77063758794 and 77063758803.

It is not an unprimeable number, because it can be changed into a prime (77063758847) 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 in 15 ways as a sum of consecutive naturals, for example, 403543 + ... + 563004.

It is an arithmetic number, because the mean of its divisors is an integer number (7137956980).

Almost surely, 2^77063758857 is an apocalyptic number.

It is an amenable number.

77063758857 is a deficient number, since it is larger than the sum of its proper divisors (37143552823).

77063758857 is a wasteful number, since it uses less digits than its factorization.

77063758857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969509 (or 969503 counting only the distinct ones).

The product of its (nonzero) digits is 69148800, while the sum is 63.

The spelling of 77063758857 in words is "seventy-seven billion, sixty-three million, seven hundred fifty-eight thousand, eight hundred fifty-seven".