77088863108 has 6 divisors (see below), whose sum is σ = 134905510446. Its totient is φ = 38544431552.

The previous prime is 77088863107. The next prime is 77088863113. The reversal of 77088863108 is 80136888077.

It can be written as a sum of positive squares in only one way, i.e., 38691676804 + 38397186304 = 196702^2 + 195952^2 .

It is not an unprimeable number, because it can be changed into a prime (77088863107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9636107885 + ... + 9636107892.

It is an arithmetic number, because the mean of its divisors is an integer number (22484251741).

Almost surely, 2^77088863108 is an apocalyptic number.

It is an amenable number.

77088863108 is a deficient number, since it is larger than the sum of its proper divisors (57816647338).

77088863108 is a wasteful number, since it uses less digits than its factorization.

77088863108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19272215781 (or 19272215779 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 77088863108 in words is "seventy-seven billion, eighty-eight million, eight hundred sixty-three thousand, one hundred eight".