129086077 has 8 divisors (see below), whose sum is σ = 133437440. Its totient is φ = 124746480.

The previous prime is 129086071. The next prime is 129086093. The reversal of 129086077 is 770680921.

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

It is not a de Polignac number, because 129086077 - 2⁷ = 129085949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129086071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23188 + ... + 28210.

It is an arithmetic number, because the mean of its divisors is an integer number (16679680).

Almost surely, 2^129086077 is an apocalyptic number.

It is an amenable number.

129086077 is a deficient number, since it is larger than the sum of its proper divisors (4351363).

129086077 is an equidigital number, since it uses as much as digits as its factorization.

129086077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 129086077 is about 11361.6053883243. The cubic root of 129086077 is about 505.3897941411.

The spelling of 129086077 in words is "one hundred twenty-nine million, eighty-six thousand, seventy-seven".