9885157 has 2 divisors, whose sum is σ = 9885158. Its totient is φ = 9885156.

The previous prime is 9885151. The next prime is 9885163. The reversal of 9885157 is 7515889.

It is a balanced prime because it is at equal distance from previous prime (9885151) and next prime (9885163).

It can be written as a sum of positive squares in only one way, i.e., 9235521 + 649636 = 3039^2 + 806^2 .

It is an emirp because it is prime and its reverse (7515889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9885157 - 2²³ = 1496549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9885151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4942578 + 4942579.

It is an arithmetic number, because the mean of its divisors is an integer number (4942579).

Almost surely, 2^9885157 is an apocalyptic number.

It is an amenable number.

9885157 is a deficient number, since it is larger than the sum of its proper divisors (1).

9885157 is an equidigital number, since it uses as much as digits as its factorization.

9885157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 43.

The square root of 9885157 is about 3144.0669522133. The cubic root of 9885157 is about 214.6155523767.

The spelling of 9885157 in words is "nine million, eight hundred eighty-five thousand, one hundred fifty-seven".