82669479271 has 8 divisors (see below), whose sum is σ = 85653172080. Its totient is φ = 79694654592.

The previous prime is 82669479239. The next prime is 82669479289. The reversal of 82669479271 is 17297496628.

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 82669479271 - 2⁵ = 82669479239 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 (82669477271) 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, 2198050 + ... + 2235343.

It is an arithmetic number, because the mean of its divisors is an integer number (10706646510).

Almost surely, 2^82669479271 is an apocalyptic number.

82669479271 is a deficient number, since it is larger than the sum of its proper divisors (2983692809).

82669479271 is a wasteful number, since it uses less digits than its factorization.

82669479271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434065.

The product of its digits is 18289152, while the sum is 61.

The spelling of 82669479271 in words is "eighty-two billion, six hundred sixty-nine million, four hundred seventy-nine thousand, two hundred seventy-one".