82609057 has 8 divisors (see below), whose sum is σ = 84338496. Its totient is φ = 80894352.

The previous prime is 82609013. The next prime is 82609073. The reversal of 82609057 is 75090628.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82609057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82609157) 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, 8028 + ... + 15154.

It is an arithmetic number, because the mean of its divisors is an integer number (10542312).

Almost surely, 2^82609057 is an apocalyptic number.

It is an amenable number.

82609057 is a deficient number, since it is larger than the sum of its proper divisors (1729439).

82609057 is a wasteful number, since it uses less digits than its factorization.

82609057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 82609057 is about 9088.9524698944. The cubic root of 82609057 is about 435.5211211753.

The spelling of 82609057 in words is "eighty-two million, six hundred nine thousand, fifty-seven".