8081157 has 8 divisors (see below), whose sum is σ = 12314176. Its totient is φ = 4617792.

The previous prime is 8081153. The next prime is 8081197. The reversal of 8081157 is 7511808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8081157 - 2² = 8081153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081153) 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 7 ways as a sum of consecutive naturals, for example, 192388 + ... + 192429.

It is an arithmetic number, because the mean of its divisors is an integer number (1539272).

Almost surely, 2^8081157 is an apocalyptic number.

It is an amenable number.

8081157 is a deficient number, since it is larger than the sum of its proper divisors (4233019).

8081157 is a wasteful number, since it uses less digits than its factorization.

8081157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384827.

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 8081157 is about 2842.7375890152. The cubic root of 8081157 is about 200.6740341711.

The spelling of 8081157 in words is "eight million, eighty-one thousand, one hundred fifty-seven".