82671489 has 32 divisors (see below), whose sum is σ = 133392000. Its totient is φ = 50404032.

The previous prime is 82671487. The next prime is 82671509. The reversal of 82671489 is 98417628.

It is not a de Polignac number, because 82671489 - 2¹ = 82671487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82671487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12099 + ... + 17655.

It is an arithmetic number, because the mean of its divisors is an integer number (4168500).

Almost surely, 2^82671489 is an apocalyptic number.

It is an amenable number.

82671489 is a deficient number, since it is larger than the sum of its proper divisors (50720511).

82671489 is a wasteful number, since it uses less digits than its factorization.

82671489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614 (or 5608 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 82671489 is about 9092.3863204332. The cubic root of 82671489 is about 435.6308089373.

The spelling of 82671489 in words is "eighty-two million, six hundred seventy-one thousand, four hundred eighty-nine".