98457797 has 2 divisors, whose sum is σ = 98457798. Its totient is φ = 98457796.

The previous prime is 98457787. The next prime is 98457817. The reversal of 98457797 is 79775489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93103201 + 5354596 = 9649^2 + 2314^2 .

It is an emirp because it is prime and its reverse (79775489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98457797 - 2⁴ = 98457781 is a prime.

It is a super-3 number, since 3×98457797³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98457707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49228898 + 49228899.

It is an arithmetic number, because the mean of its divisors is an integer number (49228899).

Almost surely, 2^98457797 is an apocalyptic number.

It is an amenable number.

98457797 is a deficient number, since it is larger than the sum of its proper divisors (1).

98457797 is an equidigital number, since it uses as much as digits as its factorization.

98457797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 56.

The square root of 98457797 is about 9922.5902364252. The cubic root of 98457797 is about 461.7604203125.

The spelling of 98457797 in words is "ninety-eight million, four hundred fifty-seven thousand, seven hundred ninety-seven".