68868507187502 has 16 divisors (see below), whose sum is σ = 114120426182400. Its totient is φ = 30907615422840.

The previous prime is 68868507187481. The next prime is 68868507187561. The reversal of 68868507187502 is 20578170586886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19812572252 + ... + 19812575727.

It is an arithmetic number, because the mean of its divisors is an integer number (7132526636400).

Almost surely, 2^{68868507187502} is an apocalyptic number.

68868507187502 is a deficient number, since it is larger than the sum of its proper divisors (45251918994898).

68868507187502 is a wasteful number, since it uses less digits than its factorization.

68868507187502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39625148071.

The product of its (nonzero) digits is 361267200, while the sum is 71.

The spelling of 68868507187502 in words is "sixty-eight trillion, eight hundred sixty-eight billion, five hundred seven million, one hundred eighty-seven thousand, five hundred two".