82037897 has 4 divisors (see below), whose sum is σ = 84866820. Its totient is φ = 79208976.

The previous prime is 82037867. The next prime is 82037899. The reversal of 82037897 is 79873028.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16168441 + 65869456 = 4021^2 + 8116^2 .

It is not a de Polignac number, because 82037897 - 2¹⁰ = 82036873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82037899) 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 3 ways as a sum of consecutive naturals, for example, 1414418 + ... + 1414475.

It is an arithmetic number, because the mean of its divisors is an integer number (21216705).

Almost surely, 2^82037897 is an apocalyptic number.

It is an amenable number.

82037897 is a deficient number, since it is larger than the sum of its proper divisors (2828923).

82037897 is a wasteful number, since it uses less digits than its factorization.

82037897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828922.

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

The square root of 82037897 is about 9057.4774081971. The cubic root of 82037897 is about 434.5150662426.

The spelling of 82037897 in words is "eighty-two million, thirty-seven thousand, eight hundred ninety-seven".