868080655 has 16 divisors (see below), whose sum is σ = 1125843264. Its totient is φ = 638749440.

The previous prime is 868080637. The next prime is 868080701. The reversal of 868080655 is 556080868.

It is not a de Polignac number, because 868080655 - 2⁷ = 868080527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5499 + ... + 42028.

It is an arithmetic number, because the mean of its divisors is an integer number (70365204).

Almost surely, 2^868080655 is an apocalyptic number.

868080655 is a deficient number, since it is larger than the sum of its proper divisors (257762609).

868080655 is a wasteful number, since it uses less digits than its factorization.

868080655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47826.

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 868080655 is about 29463.2084980574. The cubic root of 868080655 is about 953.9377295138.

The spelling of 868080655 in words is "eight hundred sixty-eight million, eighty thousand, six hundred fifty-five".