87030036 has 18 divisors (see below), whose sum is σ = 219992682. Its totient is φ = 29010000.

The previous prime is 87030017. The next prime is 87030061. The reversal of 87030036 is 63003078.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 75168900 + 11861136 = 8670^2 + 3444^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×87030036² = 15148454332322592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87029991 and 87030009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1208715 + ... + 1208786.

Almost surely, 2^87030036 is an apocalyptic number.

It is an amenable number.

87030036 is an abundant number, since it is smaller than the sum of its proper divisors (132962646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87030036 is a wasteful number, since it uses less digits than its factorization.

87030036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417511 (or 2417506 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 87030036 is about 9328.9890127495. The cubic root of 87030036 is about 443.1557490020.

The spelling of 87030036 in words is "eighty-seven million, thirty thousand, thirty-six".