8157071 has 8 divisors (see below), whose sum is σ = 8951040. Its totient is φ = 7386912.

The previous prime is 8157067. The next prime is 8157077. The reversal of 8157071 is 1707518.

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

It is not a de Polignac number, because 8157071 - 2² = 8157067 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8157077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5231 + ... + 6608.

It is an arithmetic number, because the mean of its divisors is an integer number (1118880).

Almost surely, 2^8157071 is an apocalyptic number.

8157071 is a deficient number, since it is larger than the sum of its proper divisors (793969).

8157071 is a wasteful number, since it uses less digits than its factorization.

8157071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11905.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 8157071 is about 2856.0586478572. The cubic root of 8157071 is about 201.3004508111.

The spelling of 8157071 in words is "eight million, one hundred fifty-seven thousand, seventy-one".