68210855 has 16 divisors (see below), whose sum is σ = 87026400. Its totient is φ = 51177600.

The previous prime is 68210843. The next prime is 68210887. The reversal of 68210855 is 55801286.

It is a happy number.

It is not a de Polignac number, because 68210855 - 2¹² = 68206759 is a prime.

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, 6041 + ... + 13149.

It is an arithmetic number, because the mean of its divisors is an integer number (5439150).

Almost surely, 2^68210855 is an apocalyptic number.

68210855 is a deficient number, since it is larger than the sum of its proper divisors (18815545).

68210855 is a wasteful number, since it uses less digits than its factorization.

68210855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 68210855 is about 8258.9863179448. The cubic root of 68210855 is about 408.5869559557.

The spelling of 68210855 in words is "sixty-eight million, two hundred ten thousand, eight hundred fifty-five".