129765076886 has 8 divisors (see below), whose sum is σ = 196133475384. Its totient is φ = 64387251760.

The previous prime is 129765076877. The next prime is 129765076907. The reversal of 129765076886 is 688670567921.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247643015 + ... + 247643538.

It is an arithmetic number, because the mean of its divisors is an integer number (24516684423).

Almost surely, 2^129765076886 is an apocalyptic number.

129765076886 is a deficient number, since it is larger than the sum of its proper divisors (66368398498).

129765076886 is a wasteful number, since it uses less digits than its factorization.

129765076886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495286686.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 129765076886 in words is "one hundred twenty-nine billion, seven hundred sixty-five million, seventy-six thousand, eight hundred eighty-six".