82897210 has 16 divisors (see below), whose sum is σ = 162780192. Its totient is φ = 30144400.

The previous prime is 82897207. The next prime is 82897211. The reversal of 82897210 is 1279828.

It is a self number, because there is not a number n which added to its sum of digits gives 82897210.

It is not an unprimeable number, because it can be changed into a prime (82897211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376696 + ... + 376915.

It is an arithmetic number, because the mean of its divisors is an integer number (10173762).

Almost surely, 2^82897210 is an apocalyptic number.

82897210 is a deficient number, since it is larger than the sum of its proper divisors (79882982).

82897210 is a wasteful number, since it uses less digits than its factorization.

82897210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753629.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 82897210 is about 9104.7904973151. The cubic root of 82897210 is about 436.0269215764.

The spelling of 82897210 in words is "eighty-two million, eight hundred ninety-seven thousand, two hundred ten".