68854809604 has 27 divisors (see below), whose sum is σ = 140176198407. Its totient is φ = 29507629704.

The previous prime is 68854809601. The next prime is 68854809607. The reversal of 68854809604 is 40690845886.

The square root of 68854809604 is 262402.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (68854809601) and next prime (68854809607).

It is not an unprimeable number, because it can be changed into a prime (68854809601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3664257 + ... + 3682999.

Almost surely, 2^68854809604 is an apocalyptic number.

68854809604 is the 262402-nd square number.

It is an amenable number.

68854809604 is an abundant number, since it is smaller than the sum of its proper divisors (71321388803).

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

68854809604 is an frugal number, since it uses more digits than its factorization.

68854809604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37504 (or 18752 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 58.

The spelling of 68854809604 in words is "sixty-eight billion, eight hundred fifty-four million, eight hundred nine thousand, six hundred four".