87636058 has 4 divisors (see below), whose sum is σ = 131454090. Its totient is φ = 43818028.

The previous prime is 87636053. The next prime is 87636097. The reversal of 87636058 is 85063678.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73324969 + 14311089 = 8563^2 + 3783^2 .

It is not an unprimeable number, because it can be changed into a prime (87636053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21909013 + ... + 21909016.

Almost surely, 2^87636058 is an apocalyptic number.

87636058 is a deficient number, since it is larger than the sum of its proper divisors (43818032).

87636058 is a wasteful number, since it uses less digits than its factorization.

87636058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43818031.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 87636058 is about 9361.4132480091. The cubic root of 87636058 is about 444.1819892156.

The spelling of 87636058 in words is "eighty-seven million, six hundred thirty-six thousand, fifty-eight".