9898877 has 2 divisors, whose sum is σ = 9898878. Its totient is φ = 9898876.

The previous prime is 9898859. The next prime is 9898907. The reversal of 9898877 is 7788989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9572836 + 326041 = 3094^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 9898877 - 2¹⁸ = 9636733 is a prime.

It is a super-2 number, since 2×9898877² = 195975531722258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9898807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4949438 + 4949439.

It is an arithmetic number, because the mean of its divisors is an integer number (4949439).

Almost surely, 2^9898877 is an apocalyptic number.

It is an amenable number.

9898877 is a deficient number, since it is larger than the sum of its proper divisors (1).

9898877 is an equidigital number, since it uses as much as digits as its factorization.

9898877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 56.

The square root of 9898877 is about 3146.2480830348. The cubic root of 9898877 is about 214.7147976105.

The spelling of 9898877 in words is "nine million, eight hundred ninety-eight thousand, eight hundred seventy-seven".