171116426879 has 8 divisors (see below), whose sum is σ = 172270806480. Its totient is φ = 169962863616.

The previous prime is 171116426869. The next prime is 171116426891. The reversal of 171116426879 is 978624611171.

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 171116426879 - 2¹² = 171116422783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 171116426879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171116426869) 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, 219512 + ... + 624834.

It is an arithmetic number, because the mean of its divisors is an integer number (21533850810).

Almost surely, 2^171116426879 is an apocalyptic number.

171116426879 is a deficient number, since it is larger than the sum of its proper divisors (1154379601).

171116426879 is a wasteful number, since it uses less digits than its factorization.

171116426879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408169.

The product of its digits is 1016064, while the sum is 53.

The spelling of 171116426879 in words is "one hundred seventy-one billion, one hundred sixteen million, four hundred twenty-six thousand, eight hundred seventy-nine".