68528871 has 12 divisors (see below), whose sum is σ = 99154120. Its totient is φ = 45608400.

The previous prime is 68528861. The next prime is 68528893. The reversal of 68528871 is 17882586.

It is not a de Polignac number, because 68528871 - 2¹⁰ = 68527847 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 (68528861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580 + ... + 11721.

Almost surely, 2^68528871 is an apocalyptic number.

68528871 is a deficient number, since it is larger than the sum of its proper divisors (30625249).

68528871 is a wasteful number, since it uses less digits than its factorization.

68528871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12926 (or 12923 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 68528871 is about 8278.2166557780. The cubic root of 68528871 is about 409.2209497563.

The spelling of 68528871 in words is "sixty-eight million, five hundred twenty-eight thousand, eight hundred seventy-one".