68802855 has 32 divisors (see below), whose sum is σ = 120476160. Its totient is φ = 33252480.

The previous prime is 68802847. The next prime is 68802863. The reversal of 68802855 is 55820886.

It is an interprime number because it is at equal distance from previous prime (68802847) and next prime (68802863).

It is not a de Polignac number, because 68802855 - 2³ = 68802847 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 31 ways as a sum of consecutive naturals, for example, 82581 + ... + 83409.

It is an arithmetic number, because the mean of its divisors is an integer number (3764880).

Almost surely, 2^68802855 is an apocalyptic number.

68802855 is a deficient number, since it is larger than the sum of its proper divisors (51673305).

68802855 is a wasteful number, since it uses less digits than its factorization.

68802855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 68802855 is about 8294.7486399529. The cubic root of 68802855 is about 409.7655907738.

The spelling of 68802855 in words is "sixty-eight million, eight hundred two thousand, eight hundred fifty-five".