86571242 has 8 divisors (see below), whose sum is σ = 137495556. Its totient is φ = 40739392.

The previous prime is 86571203. The next prime is 86571253. The reversal of 86571242 is 24217568.

It can be written as a sum of positive squares in 2 ways, for example, as 86136961 + 434281 = 9281^2 + 659^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273073 + ... + 1273140.

Almost surely, 2^86571242 is an apocalyptic number.

86571242 is a deficient number, since it is larger than the sum of its proper divisors (50924314).

86571242 is a wasteful number, since it uses less digits than its factorization.

86571242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546232.

The product of its digits is 26880, while the sum is 35.

The square root of 86571242 is about 9304.3668242390. The cubic root of 86571242 is about 442.3756523360.

The spelling of 86571242 in words is "eighty-six million, five hundred seventy-one thousand, two hundred forty-two".