82626081 has 8 divisors (see below), whose sum is σ = 110353824. Its totient is φ = 54991200.

The previous prime is 82626077. The next prime is 82626101. The reversal of 82626081 is 18062628.

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

It is not a de Polignac number, because 82626081 - 2² = 82626077 is a prime.

It is a super-3 number, since 3×82626081³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (82626031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21111 + ... + 24716.

It is an arithmetic number, because the mean of its divisors is an integer number (13794228).

Almost surely, 2^82626081 is an apocalyptic number.

It is an amenable number.

82626081 is a deficient number, since it is larger than the sum of its proper divisors (27727743).

82626081 is a wasteful number, since it uses less digits than its factorization.

82626081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46431.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 82626081 is about 9089.8889432160. Note that the first 3 decimals coincide. The cubic root of 82626081 is about 435.5510363871.

The spelling of 82626081 in words is "eighty-two million, six hundred twenty-six thousand, eighty-one".