98877589 has 2 divisors, whose sum is σ = 98877590. Its totient is φ = 98877588.

The previous prime is 98877563. The next prime is 98877607. The reversal of 98877589 is 98577889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98843364 + 34225 = 9942^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 98877589 - 2⁵ = 98877557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98877509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49438794 + 49438795.

It is an arithmetic number, because the mean of its divisors is an integer number (49438795).

Almost surely, 2^98877589 is an apocalyptic number.

It is an amenable number.

98877589 is a deficient number, since it is larger than the sum of its proper divisors (1).

98877589 is an equidigital number, since it uses as much as digits as its factorization.

98877589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 61.

The square root of 98877589 is about 9943.7210841817. The cubic root of 98877589 is about 462.4157551938.

The spelling of 98877589 in words is "ninety-eight million, eight hundred seventy-seven thousand, five hundred eighty-nine".