7481686117 has 8 divisors (see below), whose sum is σ = 7785040896. Its totient is φ = 7184338512.

The previous prime is 7481686049. The next prime is 7481686171. The reversal of 7481686117 is 7116861847.

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-7481686117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7481686517) 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, 1499253 + ... + 1504234.

It is an arithmetic number, because the mean of its divisors is an integer number (973130112).

Almost surely, 2^7481686117 is an apocalyptic number.

It is an amenable number.

7481686117 is a deficient number, since it is larger than the sum of its proper divisors (303354779).

7481686117 is a wasteful number, since it uses less digits than its factorization.

7481686117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003587.

The product of its digits is 451584, while the sum is 49.

The square root of 7481686117 is about 86496.7404992812. The cubic root of 7481686117 is about 1955.8392680384.

The spelling of 7481686117 in words is "seven billion, four hundred eighty-one million, six hundred eighty-six thousand, one hundred seventeen".