86532157 has 8 divisors (see below), whose sum is σ = 87694200. Its totient is φ = 85377024.

The previous prime is 86532151. The next prime is 86532161. The reversal of 86532157 is 75123568.

It can be written as a sum of positive squares in 4 ways, for example, as 66765241 + 19766916 = 8171^2 + 4446^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 86532157 - 2¹¹ = 86530109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86532151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26469 + ... + 29557.

It is an arithmetic number, because the mean of its divisors is an integer number (10961775).

Almost surely, 2^86532157 is an apocalyptic number.

It is an amenable number.

86532157 is a deficient number, since it is larger than the sum of its proper divisors (1162043).

86532157 is a wasteful number, since it uses less digits than its factorization.

86532157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455.

The product of its digits is 50400, while the sum is 37.

The square root of 86532157 is about 9302.2662292583. The cubic root of 86532157 is about 442.3090680421.

The spelling of 86532157 in words is "eighty-six million, five hundred thirty-two thousand, one hundred fifty-seven".