9917620348 has 12 divisors (see below), whose sum is σ = 17357466672. Its totient is φ = 4958344160.

The previous prime is 9917620291. The next prime is 9917620357. The reversal of 9917620348 is 8430267199.

It is a super-2 number, since 2×9917620348² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66208 + ... + 155623.

It is an arithmetic number, because the mean of its divisors is an integer number (1446455556).

Almost surely, 2^9917620348 is an apocalyptic number.

It is an amenable number.

9917620348 is a deficient number, since it is larger than the sum of its proper divisors (7439846324).

9917620348 is a wasteful number, since it uses less digits than its factorization.

9917620348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233012 (or 233010 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 9917620348 is about 99587.2499268857. The cubic root of 9917620348 is about 2148.5023171922.

The spelling of 9917620348 in words is "nine billion, nine hundred seventeen million, six hundred twenty thousand, three hundred forty-eight".