68785848587860 has 12 divisors (see below), whose sum is σ = 144450282034548. Its totient is φ = 27514339435136.

The previous prime is 68785848587837. The next prime is 68785848587861. The reversal of 68785848587860 is 6878584858786.

It can be written as a sum of positive squares in 2 ways, for example, as 18915784195984 + 49870064391876 = 4349228^2 + 7061874^2 .

It is a super-2 number, since 2×68785848587860² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68785848587861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719646214677 + ... + 1719646214716.

It is an arithmetic number, because the mean of its divisors is an integer number (12037523502879).

Almost surely, 2^{68785848587860} is an apocalyptic number.

It is an amenable number.

68785848587860 is an abundant number, since it is smaller than the sum of its proper divisors (75664433446688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68785848587860 is a wasteful number, since it uses less digits than its factorization.

68785848587860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439292429402 (or 3439292429400 counting only the distinct ones).

The product of its (nonzero) digits is 46242201600, while the sum is 88.

The spelling of 68785848587860 in words is "sixty-eight trillion, seven hundred eighty-five billion, eight hundred forty-eight million, five hundred eighty-seven thousand, eight hundred sixty".