68201577908 has 48 divisors (see below), whose sum is σ = 138808494720. Its totient is φ = 29083659264.

The previous prime is 68201577881. The next prime is 68201577953. The reversal of 68201577908 is 80977510286.

It is a super-3 number, since 3×68201577908³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68201577908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1117841 + ... + 1177272.

It is an arithmetic number, because the mean of its divisors is an integer number (2891843640).

Almost surely, 2^68201577908 is an apocalyptic number.

68201577908 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68201577908 is an abundant number, since it is smaller than the sum of its proper divisors (70606916812).

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

68201577908 is a wasteful number, since it uses less digits than its factorization.

68201577908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295176 (or 2295174 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 68201577908 in words is "sixty-eight billion, two hundred one million, five hundred seventy-seven thousand, nine hundred eight".