8157069 has 12 divisors (see below), whose sum is σ = 11808576. Its totient is φ = 5425992.

The previous prime is 8157067. The next prime is 8157077. The reversal of 8157069 is 9607518.

8157069 is a `hidden beast` number, since 81 + 570 + 6 + 9 = 666.

It is not a de Polignac number, because 8157069 - 2¹ = 8157067 is a prime.

It is a super-2 number, since 2×8157069² = 133075549341522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 (8157067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5484 + ... + 6810.

It is an arithmetic number, because the mean of its divisors is an integer number (984048).

Almost surely, 2^8157069 is an apocalyptic number.

It is an amenable number.

8157069 is a deficient number, since it is larger than the sum of its proper divisors (3651507).

8157069 is a wasteful number, since it uses less digits than its factorization.

8157069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 8157069 is about 2856.0582977243. The cubic root of 8157069 is about 201.3004343590.

The spelling of 8157069 in words is "eight million, one hundred fifty-seven thousand, sixty-nine".