8357881 has 15 divisors (see below), whose sum is σ = 9918341. Its totient is φ = 7042476.

The previous prime is 8357873. The next prime is 8357903. The reversal of 8357881 is 1887538.

The square root of 8357881 is 2891.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 8357881 - 2³ = 8357873 is a prime.

It is a super-2 number, since 2×8357881² = 139708349620322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8357831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 141630 + ... + 141688.

Almost surely, 2^8357881 is an apocalyptic number.

8357881 is the 2891-st square number.

8357881 is the 1446-th centered octagonal number.

It is an amenable number.

8357881 is a deficient number, since it is larger than the sum of its proper divisors (1560460).

8357881 is an frugal number, since it uses more digits than its factorization.

8357881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 66 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The cubic root of 8357881 is about 202.9389431913.

The spelling of 8357881 in words is "eight million, three hundred fifty-seven thousand, eight hundred eighty-one".