82897641 has 16 divisors (see below), whose sum is σ = 123630720. Its totient is φ = 54896400.

The previous prime is 82897609. The next prime is 82897643. The reversal of 82897641 is 14679828.

It is not a de Polignac number, because 82897641 - 2⁵ = 82897609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82897643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6090 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (7726920).

Almost surely, 2^82897641 is an apocalyptic number.

It is an amenable number.

82897641 is a deficient number, since it is larger than the sum of its proper divisors (40733079).

82897641 is a wasteful number, since it uses less digits than its factorization.

82897641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20493 (or 20487 counting only the distinct ones).

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

The square root of 82897641 is about 9104.8141661431. The cubic root of 82897641 is about 436.0276772403.

It can be divided in two parts, 82897 and 641, that added together give a palindrome (83538).

The spelling of 82897641 in words is "eighty-two million, eight hundred ninety-seven thousand, six hundred forty-one".