8970909697 has 4 divisors (see below), whose sum is σ = 9020472916. Its totient is φ = 8921346480.

The previous prime is 8970909671. The next prime is 8970909721. The reversal of 8970909697 is 7969090798.

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 2821840641 + 6149069056 = 53121^2 + 78416^2 .

It is a cyclic number.

It is not a de Polignac number, because 8970909697 - 2¹⁹ = 8970385409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8970979697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24781338 + ... + 24781699.

It is an arithmetic number, because the mean of its divisors is an integer number (2255118229).

Almost surely, 2^8970909697 is an apocalyptic number.

It is an amenable number.

8970909697 is a deficient number, since it is larger than the sum of its proper divisors (49563219).

8970909697 is a wasteful number, since it uses less digits than its factorization.

8970909697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49563218.

The product of its (nonzero) digits is 15431472, while the sum is 64.

The square root of 8970909697 is about 94714.8863537301. The cubic root of 8970909697 is about 2077.8402830189.

The spelling of 8970909697 in words is "eight billion, nine hundred seventy million, nine hundred nine thousand, six hundred ninety-seven".