871345351217662 has 8 divisors (see below), whose sum is σ = 1326525758570376. Its totient is φ = 429170098360872.

The previous prime is 871345351217647. The next prime is 871345351217753. The reversal of 871345351217662 is 266712153543178.

It is a happy number.

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

It is a super-2 number, since 2×871345351217662² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 871345351217662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3251288623813 + ... + 3251288624080.

It is an arithmetic number, because the mean of its divisors is an integer number (165815719821297).

Almost surely, 2^{871345351217662} is an apocalyptic number.

871345351217662 is a deficient number, since it is larger than the sum of its proper divisors (455180407352714).

871345351217662 is a wasteful number, since it uses less digits than its factorization.

871345351217662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502577247962.

The product of its digits is 50803200, while the sum is 61.

The spelling of 871345351217662 in words is "eight hundred seventy-one trillion, three hundred forty-five billion, three hundred fifty-one million, two hundred seventeen thousand, six hundred sixty-two".