82511344 has 20 divisors (see below), whose sum is σ = 161451720. Its totient is φ = 40846400.

The previous prime is 82511333. The next prime is 82511399. The reversal of 82511344 is 44311528.

It is a super-3 number, since 3×82511344³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 23914 + ... + 27145.

It is an arithmetic number, because the mean of its divisors is an integer number (8072586).

Almost surely, 2^82511344 is an apocalyptic number.

It is an amenable number.

82511344 is a deficient number, since it is larger than the sum of its proper divisors (78940376).

82511344 is a wasteful number, since it uses less digits than its factorization.

82511344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51168 (or 51162 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 82511344 is about 9083.5755074750. The cubic root of 82511344 is about 435.3493366807.

The spelling of 82511344 in words is "eighty-two million, five hundred eleven thousand, three hundred forty-four".