8634980089 has 4 divisors (see below), whose sum is σ = 8711395956. Its totient is φ = 8558564224.

The previous prime is 8634980087. The next prime is 8634980129. The reversal of 8634980089 is 9800894368.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 227557225 + 8407422864 = 15085^2 + 91692^2 .

It is a cyclic number.

It is not a de Polignac number, because 8634980089 - 2¹ = 8634980087 is a prime.

It is a super-2 number, since 2×8634980089² (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 (8634980087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38207764 + ... + 38207989.

It is an arithmetic number, because the mean of its divisors is an integer number (2177848989).

Almost surely, 2^8634980089 is an apocalyptic number.

It is an amenable number.

8634980089 is a deficient number, since it is larger than the sum of its proper divisors (76415867).

8634980089 is a wasteful number, since it uses less digits than its factorization.

8634980089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76415866.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 8634980089 is about 92924.5935638139. The cubic root of 8634980089 is about 2051.5736549914.

The spelling of 8634980089 in words is "eight billion, six hundred thirty-four million, nine hundred eighty thousand, eighty-nine".