68847787101 has 16 divisors (see below), whose sum is σ = 92290752000. Its totient is φ = 45652239168.

The previous prime is 68847787087. The next prime is 68847787139. The reversal of 68847787101 is 10178774886.

It is not a de Polignac number, because 68847787101 - 2⁵ = 68847787069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68847787601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419575 + ... + 560123.

It is an arithmetic number, because the mean of its divisors is an integer number (5768172000).

Almost surely, 2^68847787101 is an apocalyptic number.

It is an amenable number.

68847787101 is a deficient number, since it is larger than the sum of its proper divisors (23442964899).

68847787101 is a wasteful number, since it uses less digits than its factorization.

68847787101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141428.

The product of its (nonzero) digits is 4214784, while the sum is 57.

The spelling of 68847787101 in words is "sixty-eight billion, eight hundred forty-seven million, seven hundred eighty-seven thousand, one hundred one".