82663545 has 8 divisors (see below), whose sum is σ = 132261696. Its totient is φ = 44087216.

The previous prime is 82663519. The next prime is 82663549. The reversal of 82663545 is 54536628.

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 82663545 - 2⁶ = 82663481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82663549) 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, 2755437 + ... + 2755466.

It is an arithmetic number, because the mean of its divisors is an integer number (16532712).

Almost surely, 2^82663545 is an apocalyptic number.

It is an amenable number.

82663545 is a deficient number, since it is larger than the sum of its proper divisors (49598151).

82663545 is a wasteful number, since it uses less digits than its factorization.

82663545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510911.

The product of its digits is 172800, while the sum is 39.

The square root of 82663545 is about 9091.9494609242. The cubic root of 82663545 is about 435.6168550658.

It can be divided in two parts, 8266 and 3545, that added together give a palindrome (11811).

The spelling of 82663545 in words is "eighty-two million, six hundred sixty-three thousand, five hundred forty-five".