9894902117 has 4 divisors (see below), whose sum is σ = 9895201056. Its totient is φ = 9894603180.

The previous prime is 9894902081. The next prime is 9894902141. The reversal of 9894902117 is 7112094989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9894902117 - 2⁶ = 9894902053 is a prime.

It is a super-2 number, since 2×9894902117² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9894902417) 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, 92609 + ... + 168422.

It is an arithmetic number, because the mean of its divisors is an integer number (2473800264).

Almost surely, 2^9894902117 is an apocalyptic number.

It is an amenable number.

9894902117 is a deficient number, since it is larger than the sum of its proper divisors (298939).

9894902117 is a wasteful number, since it uses less digits than its factorization.

9894902117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298938.

The product of its (nonzero) digits is 326592, while the sum is 50.

The square root of 9894902117 is about 99473.1225859528. The cubic root of 9894902117 is about 2146.8605426719.

The spelling of 9894902117 in words is "nine billion, eight hundred ninety-four million, nine hundred two thousand, one hundred seventeen".