9887453093 has 12 divisors (see below), whose sum is σ = 11551108140. Its totient is φ = 8438576832.

The previous prime is 9887453087. The next prime is 9887453101. The reversal of 9887453093 is 3903547889.

It can be written as a sum of positive squares in 2 ways, for example, as 6156442369 + 3731010724 = 78463^2 + 61082^2 .

It is not a de Polignac number, because 9887453093 - 2⁶ = 9887453029 is a prime.

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 (9887453083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421598 + ... + 444431.

It is an arithmetic number, because the mean of its divisors is an integer number (962592345).

Almost surely, 2^9887453093 is an apocalyptic number.

It is an amenable number.

9887453093 is a deficient number, since it is larger than the sum of its proper divisors (1663655047).

9887453093 is a wasteful number, since it uses less digits than its factorization.

9887453093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866276 (or 866269 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The square root of 9887453093 is about 99435.6731409809. The cubic root of 9887453093 is about 2146.3216783084.

The spelling of 9887453093 in words is "nine billion, eight hundred eighty-seven million, four hundred fifty-three thousand, ninety-three".