8870437489 has 9 divisors (see below), whose sum is σ = 9363763467. Its totient is φ = 8401877064.

The previous prime is 8870437487. The next prime is 8870437507. The reversal of 8870437489 is 9847340788.

The square root of 8870437489 is 94183.

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., 7522960225 + 1347477264 = 86735^2 + 36708^2 .

It is not a de Polignac number, because 8870437489 - 2¹ = 8870437487 is a prime.

It is a super-2 number, since 2×8870437489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8870437487) 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, 1786999 + ... + 1791955.

It is an arithmetic number, because the mean of its divisors is an integer number (1040418163).

Almost surely, 2^8870437489 is an apocalyptic number.

8870437489 is the 94183-rd square number.

8870437489 is the 47092-nd centered octagonal number.

It is an amenable number.

8870437489 is a deficient number, since it is larger than the sum of its proper divisors (493325978).

8870437489 is an frugal number, since it uses more digits than its factorization.

8870437489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9952 (or 4976 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 58.

The cubic root of 8870437489 is about 2070.0540246661.

The spelling of 8870437489 in words is "eight billion, eight hundred seventy million, four hundred thirty-seven thousand, four hundred eighty-nine".