68803655 has 16 divisors (see below), whose sum is σ = 88936320. Its totient is φ = 50930208.

The previous prime is 68803639. The next prime is 68803681. The reversal of 68803655 is 55630886.

It is a cyclic number.

It is not a de Polignac number, because 68803655 - 2⁴ = 68803639 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4337 + ... + 12506.

It is an arithmetic number, because the mean of its divisors is an integer number (5558520).

Almost surely, 2^68803655 is an apocalyptic number.

68803655 is a deficient number, since it is larger than the sum of its proper divisors (20132665).

68803655 is a wasteful number, since it uses less digits than its factorization.

68803655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16910.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 68803655 is about 8294.7968630944. The cubic root of 68803655 is about 409.7671789405.

The spelling of 68803655 in words is "sixty-eight million, eight hundred three thousand, six hundred fifty-five".