68857335 has 24 divisors (see below), whose sum is σ = 121608864. Its totient is φ = 36029760.

The previous prime is 68857309. The next prime is 68857367. The reversal of 68857335 is 53375886.

It is not a de Polignac number, because 68857335 - 2⁷ = 68857207 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12051 + ... + 16820.

It is an arithmetic number, because the mean of its divisors is an integer number (5067036).

Almost surely, 2^68857335 is an apocalyptic number.

68857335 is a deficient number, since it is larger than the sum of its proper divisors (52751529).

68857335 is a wasteful number, since it uses less digits than its factorization.

68857335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28935 (or 28932 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 68857335 is about 8298.0319955999. The cubic root of 68857335 is about 409.8737168088.

The spelling of 68857335 in words is "sixty-eight million, eight hundred fifty-seven thousand, three hundred thirty-five".