82557326 has 8 divisors (see below), whose sum is σ = 124274424. Its totient is φ = 41132520.

The previous prime is 82557317. The next prime is 82557329. The reversal of 82557326 is 62375528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 82557326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82557329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72365 + ... + 73496.

It is an arithmetic number, because the mean of its divisors is an integer number (15534303).

Almost surely, 2^82557326 is an apocalyptic number.

82557326 is a deficient number, since it is larger than the sum of its proper divisors (41717098).

82557326 is a wasteful number, since it uses less digits than its factorization.

82557326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146146.

The product of its digits is 100800, while the sum is 38.

The square root of 82557326 is about 9086.1062067312. The cubic root of 82557326 is about 435.4301922932.

The spelling of 82557326 in words is "eighty-two million, five hundred fifty-seven thousand, three hundred twenty-six".