87081602 has 8 divisors (see below), whose sum is σ = 130662012. Its totient is φ = 43527600.

The previous prime is 87081593. The next prime is 87081607. The reversal of 87081602 is 20618078.

It can be written as a sum of positive squares in 2 ways, for example, as 85174441 + 1907161 = 9229^2 + 1381^2 .

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 (87081607) 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, 9452 + ... + 16232.

Almost surely, 2^87081602 is an apocalyptic number.

87081602 is a deficient number, since it is larger than the sum of its proper divisors (43580410).

87081602 is a wasteful number, since it uses less digits than its factorization.

87081602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13204.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 87081602 is about 9331.7523541937. The cubic root of 87081602 is about 443.2432561761.

The spelling of 87081602 in words is "eighty-seven million, eighty-one thousand, six hundred two".