7661717113 has 8 divisors (see below), whose sum is σ = 7735226240. Its totient is φ = 7588470960.

The previous prime is 7661717083. The next prime is 7661717171. The reversal of 7661717113 is 3117171667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7661717113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7661717213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6945 + ... + 123982.

It is an arithmetic number, because the mean of its divisors is an integer number (966903280).

Almost surely, 2^7661717113 is an apocalyptic number.

It is an amenable number.

7661717113 is a deficient number, since it is larger than the sum of its proper divisors (73509127).

7661717113 is a wasteful number, since it uses less digits than its factorization.

7661717113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131487.

The product of its digits is 37044, while the sum is 40.

The square root of 7661717113 is about 87531.2350706878. The cubic root of 7661717113 is about 1971.4028086368.

The spelling of 7661717113 in words is "seven billion, six hundred sixty-one million, seven hundred seventeen thousand, one hundred thirteen".