10000089997 has 4 divisors (see below), whose sum is σ = 10028743900. Its totient is φ = 9971436096.

The previous prime is 10000089991. The next prime is 10000090003. The reversal of 10000089997 is 79998000001.

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

It is an interprime number because it is at equal distance from previous prime (10000089991) and next prime (10000090003).

It can be written as a sum of positive squares in 2 ways, for example, as 3621512041 + 6378577956 = 60179^2 + 79866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000089997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000089991) 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, 14326428 + ... + 14327125.

It is an arithmetic number, because the mean of its divisors is an integer number (2507185975).

Almost surely, 2^10000089997 is an apocalyptic number.

It is an amenable number.

10000089997 is a deficient number, since it is larger than the sum of its proper divisors (28653903).

10000089997 is an equidigital number, since it uses as much as digits as its factorization.

10000089997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28653902.

The product of its (nonzero) digits is 40824, while the sum is 43.

Adding to 10000089997 its reverse (79998000001), we get a palindrome (89998089998).

The spelling of 10000089997 in words is "ten billion, eighty-nine thousand, nine hundred ninety-seven".