98158771 has 2 divisors, whose sum is σ = 98158772. Its totient is φ = 98158770.

The previous prime is 98158757. The next prime is 98158777. The reversal of 98158771 is 17785189.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98158771 - 2²¹ = 96061619 is a prime.

It is not a weakly prime, because it can be changed into another prime (98158777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49079385 + 49079386.

It is an arithmetic number, because the mean of its divisors is an integer number (49079386).

Almost surely, 2^98158771 is an apocalyptic number.

98158771 is a deficient number, since it is larger than the sum of its proper divisors (1).

98158771 is an equidigital number, since it uses as much as digits as its factorization.

98158771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 46.

The square root of 98158771 is about 9907.5108377433. The cubic root of 98158771 is about 461.2924756775.

It can be divided in two parts, 9 and 8158771, that added together give a triangular number (8158780 = T₄₀₃₉).

The spelling of 98158771 in words is "ninety-eight million, one hundred fifty-eight thousand, seven hundred seventy-one".