8627994769 has 9 divisors (see below), whose sum is σ = 8938561723. Its totient is φ = 8327876872.

The previous prime is 8627994743. The next prime is 8627994773. The reversal of 8627994769 is 9674997268.

The square root of 8627994769 is 92887.

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., 4524311169 + 4103683600 = 67263^2 + 64060^2 .

It is not a de Polignac number, because 8627994769 - 2¹¹ = 8627992721 is a prime.

It is a super-2 number, since 2×8627994769² (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 (8627994719) 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, 2692122 + ... + 2695324.

Almost surely, 2^8627994769 is an apocalyptic number.

8627994769 is the 92887-th square number.

8627994769 is the 46444-th centered octagonal number.

It is an amenable number.

8627994769 is a deficient number, since it is larger than the sum of its proper divisors (310566954).

8627994769 is an frugal number, since it uses more digits than its factorization.

8627994769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6464 (or 3232 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 67.

The cubic root of 8627994769 is about 2051.0202947277.

The spelling of 8627994769 in words is "eight billion, six hundred twenty-seven million, nine hundred ninety-four thousand, seven hundred sixty-nine".