68856850 has 12 divisors (see below), whose sum is σ = 128073834. Its totient is φ = 27542720.

The previous prime is 68856841. The next prime is 68856863. The reversal of 68856850 is 5865886.

It can be written as a sum of positive squares in 3 ways, for example, as 62869041 + 5987809 = 7929^2 + 2447^2 .

It is a super-3 number, since 3×68856850³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68856850.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 688519 + ... + 688618.

Almost surely, 2^68856850 is an apocalyptic number.

68856850 is a deficient number, since it is larger than the sum of its proper divisors (59216984).

68856850 is a wasteful number, since it uses less digits than its factorization.

68856850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377149 (or 1377144 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 68856850 is about 8298.0027717518. The cubic root of 68856850 is about 409.8727544847.

Subtracting from 68856850 its sum of digits (46), we obtain a square (68856804 = 8298²).

The spelling of 68856850 in words is "sixty-eight million, eight hundred fifty-six thousand, eight hundred fifty".