68500871 has 32 divisors (see below), whose sum is σ = 80870400. Its totient is φ = 57576960.

The previous prime is 68500853. The next prime is 68500889. The reversal of 68500871 is 17800586.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68500853) and next prime (68500889).

It is not a de Polignac number, because 68500871 - 2²⁶ = 1392007 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 (68500811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665006 + ... + 665108.

It is an arithmetic number, because the mean of its divisors is an integer number (2527200).

Almost surely, 2^68500871 is an apocalyptic number.

68500871 is a deficient number, since it is larger than the sum of its proper divisors (12369529).

68500871 is a wasteful number, since it uses less digits than its factorization.

68500871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 68500871 is about 8276.5252974905. The cubic root of 68500871 is about 409.1652080553.

The spelling of 68500871 in words is "sixty-eight million, five hundred thousand, eight hundred seventy-one".