9855027029 has 4 divisors (see below), whose sum is σ = 9921168300. Its totient is φ = 9788885760.

The previous prime is 9855026981. The next prime is 9855027047. The reversal of 9855027029 is 9207205589.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5366295025 + 4488732004 = 73255^2 + 66998^2 .

It is a cyclic number.

It is not a de Polignac number, because 9855027029 - 2⁸ = 9855026773 is a prime.

It is a pancake number, because a pancake can be divided into 9855027029 parts by 140392 straight cuts.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9855027059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33070412 + ... + 33070709.

It is an arithmetic number, because the mean of its divisors is an integer number (2480292075).

Almost surely, 2^9855027029 is an apocalyptic number.

It is an amenable number.

9855027029 is a deficient number, since it is larger than the sum of its proper divisors (66141271).

9855027029 is a wasteful number, since it uses less digits than its factorization.

9855027029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66141270.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 9855027029 is about 99272.4887821394. The cubic root of 9855027029 is about 2143.9728097100.

The spelling of 9855027029 in words is "nine billion, eight hundred fifty-five million, twenty-seven thousand, twenty-nine".