98172043 has 2 divisors, whose sum is σ = 98172044. Its totient is φ = 98172042.

The previous prime is 98172037. The next prime is 98172083. The reversal of 98172043 is 34027189.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98172043 is a prime.

It is not a weakly prime, because it can be changed into another prime (98172023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49086021 + 49086022.

It is an arithmetic number, because the mean of its divisors is an integer number (49086022).

Almost surely, 2^98172043 is an apocalyptic number.

98172043 is a deficient number, since it is larger than the sum of its proper divisors (1).

98172043 is an equidigital number, since it uses as much as digits as its factorization.

98172043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 98172043 is about 9908.1806099808. The cubic root of 98172043 is about 461.3132651181.

The spelling of 98172043 in words is "ninety-eight million, one hundred seventy-two thousand, forty-three".