8517382655 has 16 divisors (see below), whose sum is σ = 10698934464. Its totient is φ = 6497061120.

The previous prime is 8517382633. The next prime is 8517382667. The reversal of 8517382655 is 5562837158.

It is a happy number.

It is not a de Polignac number, because 8517382655 - 2⁶ = 8517382591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80366 + ... + 153275.

It is an arithmetic number, because the mean of its divisors is an integer number (668683404).

Almost surely, 2^8517382655 is an apocalyptic number.

8517382655 is a deficient number, since it is larger than the sum of its proper divisors (2181551809).

8517382655 is a wasteful number, since it uses less digits than its factorization.

8517382655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233986.

The product of its digits is 2016000, while the sum is 50.

The square root of 8517382655 is about 92289.6671085122. The cubic root of 8517382655 is about 2042.2177802264.

The spelling of 8517382655 in words is "eight billion, five hundred seventeen million, three hundred eighty-two thousand, six hundred fifty-five".