82597142 has 32 divisors (see below), whose sum is σ = 134784000. Its totient is φ = 37836288.

The previous prime is 82597129. The next prime is 82597147. The reversal of 82597142 is 24179528.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 82597096 and 82597105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82597147) 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 15 ways as a sum of consecutive naturals, for example, 183734 + ... + 184182.

It is an arithmetic number, because the mean of its divisors is an integer number (4212000).

Almost surely, 2^82597142 is an apocalyptic number.

82597142 is a deficient number, since it is larger than the sum of its proper divisors (52186858).

82597142 is a wasteful number, since it uses less digits than its factorization.

82597142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 40320, while the sum is 38.

The square root of 82597142 is about 9088.2969801828. The cubic root of 82597142 is about 435.5001812451.

The spelling of 82597142 in words is "eighty-two million, five hundred ninety-seven thousand, one hundred forty-two".