87671572 has 12 divisors (see below), whose sum is σ = 155274336. Its totient is φ = 43307480.

The previous prime is 87671569. The next prime is 87671587. The reversal of 87671572 is 27517678.

It is a congruent number.

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, 131704 + ... + 132367.

It is an arithmetic number, because the mean of its divisors is an integer number (12939528).

Almost surely, 2^87671572 is an apocalyptic number.

It is an amenable number.

87671572 is a deficient number, since it is larger than the sum of its proper divisors (67602764).

87671572 is a wasteful number, since it uses less digits than its factorization.

87671572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264158 (or 264156 counting only the distinct ones).

The product of its digits is 164640, while the sum is 43.

The square root of 87671572 is about 9363.3098848644. The cubic root of 87671572 is about 444.2419818303.

The spelling of 87671572 in words is "eighty-seven million, six hundred seventy-one thousand, five hundred seventy-two".