87570052 has 6 divisors (see below), whose sum is σ = 153247598. Its totient is φ = 43785024.

The previous prime is 87570029. The next prime is 87570073. The reversal of 87570052 is 25007578.

It can be written as a sum of positive squares in only one way, i.e., 63107136 + 24462916 = 7944^2 + 4946^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10946253 + ... + 10946260.

Almost surely, 2^87570052 is an apocalyptic number.

It is an amenable number.

87570052 is a deficient number, since it is larger than the sum of its proper divisors (65677546).

87570052 is a wasteful number, since it uses less digits than its factorization.

87570052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21892517 (or 21892515 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 87570052 is about 9357.8871546947. The cubic root of 87570052 is about 444.0704444135.

The spelling of 87570052 in words is "eighty-seven million, five hundred seventy thousand, fifty-two".