82897727 has 16 divisors (see below), whose sum is σ = 95012352. Its totient is φ = 71591520.

The previous prime is 82897721. The next prime is 82897739. The reversal of 82897727 is 72779828.

It is not a de Polignac number, because 82897727 - 2⁸ = 82897471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82897721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38678 + ... + 40764.

It is an arithmetic number, because the mean of its divisors is an integer number (5938272).

Almost surely, 2^82897727 is an apocalyptic number.

82897727 is a deficient number, since it is larger than the sum of its proper divisors (12114625).

82897727 is a wasteful number, since it uses less digits than its factorization.

82897727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278.

The product of its digits is 790272, while the sum is 50.

The square root of 82897727 is about 9104.8188889181. The cubic root of 82897727 is about 436.0278280221.

The spelling of 82897727 in words is "eighty-two million, eight hundred ninety-seven thousand, seven hundred twenty-seven".