68810865 has 8 divisors (see below), whose sum is σ = 110097408. Its totient is φ = 36699120.

The previous prime is 68810839. The next prime is 68810891. The reversal of 68810865 is 56801886.

It is an interprime number because it is at equal distance from previous prime (68810839) and next prime (68810891).

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

It is not a de Polignac number, because 68810865 - 2⁹ = 68810353 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2293681 + ... + 2293710.

It is an arithmetic number, because the mean of its divisors is an integer number (13762176).

Almost surely, 2^68810865 is an apocalyptic number.

It is an amenable number.

68810865 is a deficient number, since it is larger than the sum of its proper divisors (41286543).

68810865 is a wasteful number, since it uses less digits than its factorization.

68810865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587399.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 68810865 is about 8295.2314615085. The cubic root of 68810865 is about 409.7814917371.

The spelling of 68810865 in words is "sixty-eight million, eight hundred ten thousand, eight hundred sixty-five".