87248571 has 8 divisors (see below), whose sum is σ = 117004560. Its totient is φ = 57829152.

The previous prime is 87248561. The next prime is 87248593. The reversal of 87248571 is 17584278.

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

It is not a de Polignac number, because 87248571 - 2⁹ = 87248059 is a prime.

It is a super-2 number, since 2×87248571² = 15224626283084082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87248531) 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, 83536 + ... + 84573.

It is an arithmetic number, because the mean of its divisors is an integer number (14625570).

Almost surely, 2^87248571 is an apocalyptic number.

87248571 is a deficient number, since it is larger than the sum of its proper divisors (29755989).

87248571 is a wasteful number, since it uses less digits than its factorization.

87248571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168285.

The product of its digits is 125440, while the sum is 42.

The square root of 87248571 is about 9340.6943532052. The cubic root of 87248571 is about 443.5263647062.

The spelling of 87248571 in words is "eighty-seven million, two hundred forty-eight thousand, five hundred seventy-one".