68880578500 has 48 divisors (see below), whose sum is σ = 150845490432. Its totient is φ = 27477084000.

The previous prime is 68880578467. The next prime is 68880578513. The reversal of 68880578500 is 587508886.

It is a happy 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, 4186 + ... + 371185.

It is an arithmetic number, because the mean of its divisors is an integer number (3142614384).

Almost surely, 2^68880578500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68880578500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75422745216).

68880578500 is an abundant number, since it is smaller than the sum of its proper divisors (81964911932).

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

68880578500 is a wasteful number, since it uses less digits than its factorization.

68880578500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375757 (or 375745 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 55.

The spelling of 68880578500 in words is "sixty-eight billion, eight hundred eighty million, five hundred seventy-eight thousand, five hundred".