68801855 has 16 divisors (see below), whose sum is σ = 86828544. Its totient is φ = 52235040.

The previous prime is 68801851. The next prime is 68801867. The reversal of 68801855 is 55810886.

It is not a de Polignac number, because 68801855 - 2² = 68801851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68801851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12782 + ... + 17348.

It is an arithmetic number, because the mean of its divisors is an integer number (5426784).

Almost surely, 2^68801855 is an apocalyptic number.

68801855 is a deficient number, since it is larger than the sum of its proper divisors (18026689).

68801855 is a wasteful number, since it uses less digits than its factorization.

68801855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726.

The product of its (nonzero) digits is 76800, while the sum is 41.

The square root of 68801855 is about 8294.6883606318. The cubic root of 68801855 is about 409.7636055482.

The spelling of 68801855 in words is "sixty-eight million, eight hundred one thousand, eight hundred fifty-five".