8117770707 has 12 divisors (see below), whose sum is σ = 11737757304. Its totient is φ = 5406267840.

The previous prime is 8117770699. The next prime is 8117770757. The reversal of 8117770707 is 7070777118.

It is not a de Polignac number, because 8117770707 - 2³ = 8117770699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8117770757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455718 + ... + 473195.

It is an arithmetic number, because the mean of its divisors is an integer number (978146442).

Almost surely, 2^8117770707 is an apocalyptic number.

8117770707 is a deficient number, since it is larger than the sum of its proper divisors (3619986597).

8117770707 is a wasteful number, since it uses less digits than its factorization.

8117770707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929890 (or 929887 counting only the distinct ones).

The product of its (nonzero) digits is 134456, while the sum is 45.

The square root of 8117770707 is about 90098.6720601364. The cubic root of 8117770707 is about 2009.7664561207.

The spelling of 8117770707 in words is "eight billion, one hundred seventeen million, seven hundred seventy thousand, seven hundred seven".