68818877007 has 8 divisors (see below), whose sum is σ = 91760521776. Its totient is φ = 45878241792.

The previous prime is 68818876999. The next prime is 68818877027. The reversal of 68818877007 is 70077881886.

It is a happy number.

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

It is not a de Polignac number, because 68818877007 - 2³ = 68818876999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68818877027) 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, 75648 + ... + 378629.

It is an arithmetic number, because the mean of its divisors is an integer number (11470065222).

Almost surely, 2^68818877007 is an apocalyptic number.

68818877007 is a deficient number, since it is larger than the sum of its proper divisors (22941644769).

68818877007 is a wasteful number, since it uses less digits than its factorization.

68818877007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504777.

The product of its (nonzero) digits is 8429568, while the sum is 60.

It can be divided in two parts, 6881 and 8877007, that added together give a palindrome (8883888).

The spelling of 68818877007 in words is "sixty-eight billion, eight hundred eighteen million, eight hundred seventy-seven thousand, seven".