29765255117 has 8 divisors (see below), whose sum is σ = 32057218200. Its totient is φ = 27473624640.

The previous prime is 29765254969. The next prime is 29765255123. The reversal of 29765255117 is 71155256792.

It can be written as a sum of positive squares in 4 ways, for example, as 8267537476 + 21497717641 = 90926^2 + 146621^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29765255117 - 2²⁰ = 29764206541 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 (29765252117) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 121367 + ... + 272507.

It is an arithmetic number, because the mean of its divisors is an integer number (4007152275).

Almost surely, 2^29765255117 is an apocalyptic number.

It is an amenable number.

29765255117 is a deficient number, since it is larger than the sum of its proper divisors (2291963083).

29765255117 is a wasteful number, since it uses less digits than its factorization.

29765255117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166303.

The product of its digits is 1323000, while the sum is 50.

The spelling of 29765255117 in words is "twenty-nine billion, seven hundred sixty-five million, two hundred fifty-five thousand, one hundred seventeen".