87133003489 has 9 divisors (see below), whose sum is σ = 101361203667. Its totient is φ = 74683660464.

The previous prime is 87133003421. The next prime is 87133003493. The reversal of 87133003489 is 98430033178.

It is a happy number.

The square root of 87133003489 is 295183.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 85946889889 + 1186113600 = 293167^2 + 34440^2 .

It is not a de Polignac number, because 87133003489 - 2⁷ = 87133003361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87133001489) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2045197 + ... + 2087365.

It is an arithmetic number, because the mean of its divisors is an integer number (11262355963).

Almost surely, 2^87133003489 is an apocalyptic number.

87133003489 is the 295183-rd square number.

87133003489 is the 147592-nd centered octagonal number.

It is an amenable number.

87133003489 is a deficient number, since it is larger than the sum of its proper divisors (14228200178).

87133003489 is an frugal number, since it uses more digits than its factorization.

87133003489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84352 (or 42176 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 87133003489 in words is "eighty-seven billion, one hundred thirty-three million, three thousand, four hundred eighty-nine".