8417772489 has 16 divisors (see below), whose sum is σ = 12857563520. Its totient is φ = 4798725120.

The previous prime is 8417772481. The next prime is 8417772491. The reversal of 8417772489 is 9842777148.

It is not a de Polignac number, because 8417772489 - 2³ = 8417772481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8417772481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467224 + ... + 484905.

It is an arithmetic number, because the mean of its divisors is an integer number (803597720).

Almost surely, 2^8417772489 is an apocalyptic number.

It is an amenable number.

8417772489 is a deficient number, since it is larger than the sum of its proper divisors (4439791031).

8417772489 is a wasteful number, since it uses less digits than its factorization.

8417772489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952560.

The product of its digits is 6322176, while the sum is 57.

The square root of 8417772489 is about 91748.4195449709. The cubic root of 8417772489 is about 2034.2253460367.

The spelling of 8417772489 in words is "eight billion, four hundred seventeen million, seven hundred seventy-two thousand, four hundred eighty-nine".