82471697 has 8 divisors (see below), whose sum is σ = 102821952. Its totient is φ = 64263600.

The previous prime is 82471693. The next prime is 82471703. The reversal of 82471697 is 79617428.

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 82471697 - 2² = 82471693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82471693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535454 + ... + 535607.

It is an arithmetic number, because the mean of its divisors is an integer number (12852744).

Almost surely, 2^82471697 is an apocalyptic number.

It is an amenable number.

82471697 is a deficient number, since it is larger than the sum of its proper divisors (20350255).

82471697 is a wasteful number, since it uses less digits than its factorization.

82471697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071079.

The product of its digits is 169344, while the sum is 44.

The square root of 82471697 is about 9081.3928997704. The cubic root of 82471697 is about 435.2795965311.

The spelling of 82471697 in words is "eighty-two million, four hundred seventy-one thousand, six hundred ninety-seven".