98230177909 has 2 divisors, whose sum is σ = 98230177910. Its totient is φ = 98230177908.

The previous prime is 98230177849. The next prime is 98230177951. The reversal of 98230177909 is 90977103289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83577075409 + 14653102500 = 289097^2 + 121050^2 .

It is an emirp because it is prime and its reverse (90977103289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98230177909 - 2⁷ = 98230177781 is a prime.

It is a super-2 number, since 2×98230177909² (a number of 23 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 98230177909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98230177999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49115088954 + 49115088955.

It is an arithmetic number, because the mean of its divisors is an integer number (49115088955).

Almost surely, 2^98230177909 is an apocalyptic number.

It is an amenable number.

98230177909 is a deficient number, since it is larger than the sum of its proper divisors (1).

98230177909 is an equidigital number, since it uses as much as digits as its factorization.

98230177909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The spelling of 98230177909 in words is "ninety-eight billion, two hundred thirty million, one hundred seventy-seven thousand, nine hundred nine".