8861157 has 10 divisors (see below), whose sum is σ = 13237158. Its totient is φ = 5907384.

The previous prime is 8861147. The next prime is 8861159. The reversal of 8861157 is 7511688.

It can be written as a sum of positive squares in only one way, i.e., 8767521 + 93636 = 2961^2 + 306^2 .

It is not a de Polignac number, because 8861157 - 2¹⁶ = 8795621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8861159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 54618 + ... + 54779.

Almost surely, 2^8861157 is an apocalyptic number.

It is an amenable number.

8861157 is a deficient number, since it is larger than the sum of its proper divisors (4376001).

8861157 is a wasteful number, since it uses less digits than its factorization.

8861157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109409 (or 109400 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 8861157 is about 2976.7695577589. The cubic root of 8861157 is about 206.9331857458.

The spelling of 8861157 in words is "eight million, eight hundred sixty-one thousand, one hundred fifty-seven".