68884895 has 8 divisors (see below), whose sum is σ = 84221856. Its totient is φ = 54067936.

The previous prime is 68884891. The next prime is 68884897. The reversal of 68884895 is 59848886.

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

It is a cyclic number.

It is not a de Polignac number, because 68884895 - 2² = 68884891 is a prime.

It is a super-2 number, since 2×68884895² = 9490257518322050, which contains 22 as substring.

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 68884895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68884891) 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, 129707 + ... + 130236.

It is an arithmetic number, because the mean of its divisors is an integer number (10527732).

Almost surely, 2^68884895 is an apocalyptic number.

68884895 is a deficient number, since it is larger than the sum of its proper divisors (15336961).

68884895 is a wasteful number, since it uses less digits than its factorization.

68884895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260001.

The product of its digits is 4423680, while the sum is 56.

The square root of 68884895 is about 8299.6924641820. The cubic root of 68884895 is about 409.9283932054.

The spelling of 68884895 in words is "sixty-eight million, eight hundred eighty-four thousand, eight hundred ninety-five".