68818827 has 32 divisors (see below), whose sum is σ = 118356480. Its totient is φ = 34513920.

The previous prime is 68818823. The next prime is 68818831. The reversal of 68818827 is 72881886.

It is an interprime number because it is at equal distance from previous prime (68818823) and next prime (68818831).

It is not a de Polignac number, because 68818827 - 2² = 68818823 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (68818823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1563 + ... + 11835.

It is an arithmetic number, because the mean of its divisors is an integer number (3698640).

Almost surely, 2^68818827 is an apocalyptic number.

68818827 is a deficient number, since it is larger than the sum of its proper divisors (49537653).

68818827 is a wasteful number, since it uses less digits than its factorization.

68818827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10323.

The product of its digits is 344064, while the sum is 48.

The square root of 68818827 is about 8295.7113619026. The cubic root of 68818827 is about 409.7972961909.

The spelling of 68818827 in words is "sixty-eight million, eight hundred eighteen thousand, eight hundred twenty-seven".