9404885287 has 16 divisors (see below), whose sum is σ = 10787699520. Its totient is φ = 8031935232.

The previous prime is 9404885257. The next prime is 9404885291. The reversal of 9404885287 is 7825884049.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9404885287 - 2¹¹ = 9404883239 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 (9404885257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4717963 + ... + 4719955.

It is an arithmetic number, because the mean of its divisors is an integer number (674231220).

Almost surely, 2^9404885287 is an apocalyptic number.

9404885287 is a deficient number, since it is larger than the sum of its proper divisors (1382814233).

9404885287 is a wasteful number, since it uses less digits than its factorization.

9404885287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The square root of 9404885287 is about 96978.7878198114. The cubic root of 9404885287 is about 2110.8198402114.

The spelling of 9404885287 in words is "nine billion, four hundred four million, eight hundred eighty-five thousand, two hundred eighty-seven".