9897105577 has 8 divisors (see below), whose sum is σ = 10488319776. Its totient is φ = 9306894912.

The previous prime is 9897105541. The next prime is 9897105607. The reversal of 9897105577 is 7755017989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9897105577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9897105077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230523 + ... + 270064.

It is an arithmetic number, because the mean of its divisors is an integer number (1311039972).

Almost surely, 2^9897105577 is an apocalyptic number.

It is an amenable number.

9897105577 is a deficient number, since it is larger than the sum of its proper divisors (591214199).

9897105577 is a wasteful number, since it uses less digits than its factorization.

9897105577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501767.

The product of its (nonzero) digits is 5556600, while the sum is 58.

The square root of 9897105577 is about 99484.1976245474. The cubic root of 9897105577 is about 2147.0198897167.

The spelling of 9897105577 in words is "nine billion, eight hundred ninety-seven million, one hundred five thousand, five hundred seventy-seven".