7871668351 has 8 divisors (see below), whose sum is σ = 8066772000. Its totient is φ = 7676712960.

The previous prime is 7871668339. The next prime is 7871668367. The reversal of 7871668351 is 1538661787.

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

It is a cyclic number.

It is not a de Polignac number, because 7871668351 - 2⁷ = 7871668223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7871668381) 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, 74550 + ... + 145948.

It is an arithmetic number, because the mean of its divisors is an integer number (1008346500).

Almost surely, 2^7871668351 is an apocalyptic number.

7871668351 is a deficient number, since it is larger than the sum of its proper divisors (195103649).

7871668351 is a wasteful number, since it uses less digits than its factorization.

7871668351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74129.

The product of its digits is 1693440, while the sum is 52.

The square root of 7871668351 is about 88722.4230451356. The cubic root of 7871668351 is about 1989.2479967119.

The spelling of 7871668351 in words is "seven billion, eight hundred seventy-one million, six hundred sixty-eight thousand, three hundred fifty-one".