68502871 has 8 divisors (see below), whose sum is σ = 69932160. Its totient is φ = 67078752.

The previous prime is 68502857. The next prime is 68502883. The reversal of 68502871 is 17820586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68502871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68502871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68502271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36666 + ... + 38488.

It is an arithmetic number, because the mean of its divisors is an integer number (8741520).

Almost surely, 2^68502871 is an apocalyptic number.

68502871 is a deficient number, since it is larger than the sum of its proper divisors (1429289).

68502871 is a wasteful number, since it uses less digits than its factorization.

68502871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 68502871 is about 8276.6461202591. The cubic root of 68502871 is about 409.1691901091.

The spelling of 68502871 in words is "sixty-eight million, five hundred two thousand, eight hundred seventy-one".