117777647648 has 12 divisors (see below), whose sum is σ = 231874743870. Its totient is φ = 58888823808.

The previous prime is 117777647629. The next prime is 117777647671. The reversal of 117777647648 is 846746777711.

It can be written as a sum of positive squares in only one way, i.e., 73109670544 + 44667977104 = 270388^2 + 211348^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1840275713 + ... + 1840275776.

Almost surely, 2^117777647648 is an apocalyptic number.

It is an amenable number.

117777647648 is a deficient number, since it is larger than the sum of its proper divisors (114097096222).

117777647648 is an equidigital number, since it uses as much as digits as its factorization.

117777647648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680551499 (or 3680551491 counting only the distinct ones).

The product of its digits is 77446656, while the sum is 65.

The spelling of 117777647648 in words is "one hundred seventeen billion, seven hundred seventy-seven million, six hundred forty-seven thousand, six hundred forty-eight".