82872671 has 12 divisors (see below), whose sum is σ = 102074688. Its totient is φ = 66854592.

The previous prime is 82872631. The next prime is 82872679. The reversal of 82872671 is 17627828.

It is not a de Polignac number, because 82872671 - 2²² = 78678367 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 (82872679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48911 + ... + 50576.

It is an arithmetic number, because the mean of its divisors is an integer number (8506224).

Almost surely, 2^82872671 is an apocalyptic number.

82872671 is a deficient number, since it is larger than the sum of its proper divisors (19202017).

82872671 is a wasteful number, since it uses less digits than its factorization.

82872671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99518 (or 99511 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The square root of 82872671 is about 9103.4428102779. The cubic root of 82872671 is about 435.9838935076.

The spelling of 82872671 in words is "eighty-two million, eight hundred seventy-two thousand, six hundred seventy-one".