82671269 has 4 divisors (see below), whose sum is σ = 86265696. Its totient is φ = 79076844.

The previous prime is 82671217. The next prime is 82671307. The reversal of 82671269 is 96217628.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82671269 - 2⁸ = 82671013 is a prime.

It is a super-2 number, since 2×82671269² = 13669077436140722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82679269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1797179 + ... + 1797224.

It is an arithmetic number, because the mean of its divisors is an integer number (21566424).

Almost surely, 2^82671269 is an apocalyptic number.

It is an amenable number.

82671269 is a deficient number, since it is larger than the sum of its proper divisors (3594427).

82671269 is a wasteful number, since it uses less digits than its factorization.

82671269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594426.

The product of its digits is 72576, while the sum is 41.

The square root of 82671269 is about 9092.3742223910. The cubic root of 82671269 is about 435.6304225128.

The spelling of 82671269 in words is "eighty-two million, six hundred seventy-one thousand, two hundred sixty-nine".