81008326 has 8 divisors (see below), whose sum is σ = 138871440. Its totient is φ = 34717848.

The previous prime is 81008321. The next prime is 81008351. The reversal of 81008326 is 62380018.

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

It is a junction number, because it is equal to n+sod(n) for n = 81008294 and 81008303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81008321) 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, 2893141 + ... + 2893168.

It is an arithmetic number, because the mean of its divisors is an integer number (17358930).

Almost surely, 2^81008326 is an apocalyptic number.

81008326 is a deficient number, since it is larger than the sum of its proper divisors (57863114).

81008326 is a wasteful number, since it uses less digits than its factorization.

81008326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786318.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 81008326 is about 9000.4625436696. The cubic root of 81008326 is about 432.6896954854.

It can be divided in two parts, 8 and 1008326, that multiplied together give a palindrome (8066608).

The spelling of 81008326 in words is "eighty-one million, eight thousand, three hundred twenty-six".