82871616 has 56 divisors (see below), whose sum is σ = 230814880. Its totient is φ = 26168832.

The previous prime is 82871609. The next prime is 82871627. The reversal of 82871616 is 61617828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7711 + ... + 15006.

Almost surely, 2^82871616 is an apocalyptic number.

It is an amenable number.

82871616 is an abundant number, since it is smaller than the sum of its proper divisors (147943264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82871616 is a wasteful number, since it uses less digits than its factorization.

82871616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22751 (or 22741 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 82871616 is about 9103.3848649829. The cubic root of 82871616 is about 435.9820434206.

The spelling of 82871616 in words is "eighty-two million, eight hundred seventy-one thousand, six hundred sixteen".