9955206287 has 8 divisors (see below), whose sum is σ = 10723762896. Its totient is φ = 9187045632.

The previous prime is 9955206257. The next prime is 9955206329. The reversal of 9955206287 is 7826025599.

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 9955206287 - 2⁶ = 9955206223 is a prime.

It is a super-2 number, since 2×9955206287² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9955206257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45698 + ... + 148319.

It is an arithmetic number, because the mean of its divisors is an integer number (1340470362).

Almost surely, 2^9955206287 is an apocalyptic number.

9955206287 is a deficient number, since it is larger than the sum of its proper divisors (768556609).

9955206287 is a wasteful number, since it uses less digits than its factorization.

9955206287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197977.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 9955206287 is about 99775.7800620972. The cubic root of 9955206287 is about 2151.2130372671.

The spelling of 9955206287 in words is "nine billion, nine hundred fifty-five million, two hundred six thousand, two hundred eighty-seven".