9898377461 has 8 divisors (see below), whose sum is σ = 11326386624. Its totient is φ = 8473857120.

The previous prime is 9898377413. The next prime is 9898377473. The reversal of 9898377461 is 1647738989.

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

It is a cyclic number.

It is not a de Polignac number, because 9898377461 - 2¹⁸ = 9898115317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9898377394 and 9898377403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9898377761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866120 + ... + 877473.

It is an arithmetic number, because the mean of its divisors is an integer number (1415798328).

Almost surely, 2^9898377461 is an apocalyptic number.

It is an amenable number.

9898377461 is a deficient number, since it is larger than the sum of its proper divisors (1428009163).

9898377461 is a wasteful number, since it uses less digits than its factorization.

9898377461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744411.

The product of its digits is 18289152, while the sum is 62.

The square root of 9898377461 is about 99490.5898112982. The cubic root of 9898377461 is about 2147.1118574560. Note that the first 3 decimals are identical.

The spelling of 9898377461 in words is "nine billion, eight hundred ninety-eight million, three hundred seventy-seven thousand, four hundred sixty-one".