82605603 has 8 divisors (see below), whose sum is σ = 110250000. Its totient is φ = 55015808.

The previous prime is 82605583. The next prime is 82605631. The reversal of 82605603 is 30650628.

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

It is a cyclic number.

It is not a de Polignac number, because 82605603 - 2⁶ = 82605539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82605683) 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, 9978 + ... + 16271.

It is an arithmetic number, because the mean of its divisors is an integer number (13781250).

Almost surely, 2^82605603 is an apocalyptic number.

82605603 is a deficient number, since it is larger than the sum of its proper divisors (27644397).

82605603 is a wasteful number, since it uses less digits than its factorization.

82605603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27301.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 82605603 is about 9088.7624570125. The cubic root of 82605603 is about 435.5150511753.

The spelling of 82605603 in words is "eighty-two million, six hundred five thousand, six hundred three".