68887570129 has 8 divisors (see below), whose sum is σ = 79058062080. Its totient is φ = 58799430816.

The previous prime is 68887570127. The next prime is 68887570133. The reversal of 68887570129 is 92107578886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68887570129 - 2¹ = 68887570127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68887570121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20586364 + ... + 20589709.

It is an arithmetic number, because the mean of its divisors is an integer number (9882257760).

Almost surely, 2^68887570129 is an apocalyptic number.

It is an amenable number.

68887570129 is a deficient number, since it is larger than the sum of its proper divisors (10170491951).

68887570129 is a wasteful number, since it uses less digits than its factorization.

68887570129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41176319.

The product of its (nonzero) digits is 13547520, while the sum is 61.

The spelling of 68887570129 in words is "sixty-eight billion, eight hundred eighty-seven million, five hundred seventy thousand, one hundred twenty-nine".