8998777444 has 6 divisors (see below), whose sum is σ = 15747860534. Its totient is φ = 4499388720.

The previous prime is 8998777441. The next prime is 8998777477. The reversal of 8998777444 is 4447778998.

It can be written as a sum of positive squares in only one way, i.e., 8941593600 + 57183844 = 94560^2 + 7562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8998777444.

It is not an unprimeable number, because it can be changed into a prime (8998777441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124847177 + ... + 1124847184.

Almost surely, 2^8998777444 is an apocalyptic number.

It is an amenable number.

8998777444 is a deficient number, since it is larger than the sum of its proper divisors (6749083090).

8998777444 is a wasteful number, since it uses less digits than its factorization.

8998777444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249694365 (or 2249694363 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 67.

The square root of 8998777444 is about 94861.8861503396. The cubic root of 8998777444 is about 2079.9896328995.

The spelling of 8998777444 in words is "eight billion, nine hundred ninety-eight million, seven hundred seventy-seven thousand, four hundred forty-four".