9738897956 has 12 divisors (see below), whose sum is σ = 17087572992. Its totient is φ = 4856734248.

The previous prime is 9738897941. The next prime is 9738897979. The reversal of 9738897956 is 6597988379.

It is a super-2 number, since 2×9738897956² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9738897956.

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, 3176960 + ... + 3180023.

It is an arithmetic number, because the mean of its divisors is an integer number (1423964416).

Almost surely, 2^9738897956 is an apocalyptic number.

It is an amenable number.

9738897956 is a deficient number, since it is larger than the sum of its proper divisors (7348675036).

9738897956 is a wasteful number, since it uses less digits than its factorization.

9738897956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6357370 (or 6357368 counting only the distinct ones).

The product of its digits is 205752960, while the sum is 71.

The square root of 9738897956 is about 98685.8548931913. The cubic root of 9738897956 is about 2135.5181740035.

The spelling of 9738897956 in words is "nine billion, seven hundred thirty-eight million, eight hundred ninety-seven thousand, nine hundred fifty-six".