87604213 has 8 divisors (see below), whose sum is σ = 93801240. Its totient is φ = 81523200.

The previous prime is 87604199. The next prime is 87604229. The reversal of 87604213 is 31240678.

It can be written as a sum of positive squares in 4 ways, for example, as 4028049 + 83576164 = 2007^2 + 9142^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 87604213 - 2²¹ = 85507061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87604243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27438 + ... + 30463.

It is an arithmetic number, because the mean of its divisors is an integer number (11725155).

Almost surely, 2^87604213 is an apocalyptic number.

It is an amenable number.

87604213 is a deficient number, since it is larger than the sum of its proper divisors (6197027).

87604213 is a wasteful number, since it uses less digits than its factorization.

87604213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58007.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 87604213 is about 9359.7122284822. The cubic root of 87604213 is about 444.1281807360.

The spelling of 87604213 in words is "eighty-seven million, six hundred four thousand, two hundred thirteen".