98158811 has 2 divisors, whose sum is σ = 98158812. Its totient is φ = 98158810.

The previous prime is 98158777. The next prime is 98158829. The reversal of 98158811 is 11885189.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11885189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98158811 - 2⁶ = 98158747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98158861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49079405 + 49079406.

It is an arithmetic number, because the mean of its divisors is an integer number (49079406).

Almost surely, 2^98158811 is an apocalyptic number.

98158811 is a deficient number, since it is larger than the sum of its proper divisors (1).

98158811 is an equidigital number, since it uses as much as digits as its factorization.

98158811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 41.

The square root of 98158811 is about 9907.5128564136. The cubic root of 98158811 is about 461.2925383368.

The spelling of 98158811 in words is "ninety-eight million, one hundred fifty-eight thousand, eight hundred eleven".