68782507580 has 12 divisors (see below), whose sum is σ = 144443265960. Its totient is φ = 27513003024.

The previous prime is 68782507579. The next prime is 68782507583. The reversal of 68782507580 is 8570528786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68782507583) 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, 1719562670 + ... + 1719562709.

It is an arithmetic number, because the mean of its divisors is an integer number (12036938830).

Almost surely, 2^68782507580 is an apocalyptic number.

It is an amenable number.

68782507580 is an abundant number, since it is smaller than the sum of its proper divisors (75660758380).

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

68782507580 is a wasteful number, since it uses less digits than its factorization.

68782507580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439125388 (or 3439125386 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 68782507580 in words is "sixty-eight billion, seven hundred eighty-two million, five hundred seven thousand, five hundred eighty".