98077817 has 2 divisors, whose sum is σ = 98077818. Its totient is φ = 98077816.

The previous prime is 98077807. The next prime is 98077849. The reversal of 98077817 is 71877089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97990201 + 87616 = 9899^2 + 296^2 .

It is an emirp because it is prime and its reverse (71877089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98077817 - 2¹² = 98073721 is a prime.

It is not a weakly prime, because it can be changed into another prime (98077807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49038908 + 49038909.

It is an arithmetic number, because the mean of its divisors is an integer number (49038909).

Almost surely, 2^98077817 is an apocalyptic number.

It is an amenable number.

98077817 is a deficient number, since it is larger than the sum of its proper divisors (1).

98077817 is an equidigital number, since it uses as much as digits as its factorization.

98077817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 47.

The square root of 98077817 is about 9903.4245087242. The cubic root of 98077817 is about 461.1656276420.

The spelling of 98077817 in words is "ninety-eight million, seventy-seven thousand, eight hundred seventeen".