87564010 has 8 divisors (see below), whose sum is σ = 157615236. Its totient is φ = 35025600.

The previous prime is 87564007. The next prime is 87564019. The reversal of 87564010 is 1046578.

It can be written as a sum of positive squares in 2 ways, for example, as 72948681 + 14615329 = 8541^2 + 3823^2 .

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

It is not an unprimeable number, because it can be changed into a prime (87564019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4378191 + ... + 4378210.

Almost surely, 2^87564010 is an apocalyptic number.

87564010 is a deficient number, since it is larger than the sum of its proper divisors (70051226).

87564010 is a wasteful number, since it uses less digits than its factorization.

87564010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8756408.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 87564010 is about 9357.5643198431. The cubic root of 87564010 is about 444.0602311223.

The spelling of 87564010 in words is "eighty-seven million, five hundred sixty-four thousand, ten".