98142797 has 2 divisors, whose sum is σ = 98142798. Its totient is φ = 98142796.

The previous prime is 98142791. The next prime is 98142851. The reversal of 98142797 is 79724189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90992521 + 7150276 = 9539^2 + 2674^2 .

It is an emirp because it is prime and its reverse (79724189) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98142797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98142791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49071398 + 49071399.

It is an arithmetic number, because the mean of its divisors is an integer number (49071399).

Almost surely, 2^98142797 is an apocalyptic number.

It is an amenable number.

98142797 is a deficient number, since it is larger than the sum of its proper divisors (1).

98142797 is an equidigital number, since it uses as much as digits as its factorization.

98142797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 47.

The square root of 98142797 is about 9906.7046488729. The cubic root of 98142797 is about 461.2674513022.

The spelling of 98142797 in words is "ninety-eight million, one hundred forty-two thousand, seven hundred ninety-seven".