98018377 has 2 divisors, whose sum is σ = 98018378. Its totient is φ = 98018376.

The previous prime is 98018357. The next prime is 98018383. The reversal of 98018377 is 77381089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78517321 + 19501056 = 8861^2 + 4416^2 .

It is an emirp because it is prime and its reverse (77381089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98018377 - 2²³ = 89629769 is a prime.

It is not a weakly prime, because it can be changed into another prime (98018317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49009188 + 49009189.

It is an arithmetic number, because the mean of its divisors is an integer number (49009189).

Almost surely, 2^98018377 is an apocalyptic number.

It is an amenable number.

98018377 is a deficient number, since it is larger than the sum of its proper divisors (1).

98018377 is an equidigital number, since it uses as much as digits as its factorization.

98018377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 98018377 is about 9900.4230717682. The cubic root of 98018377 is about 461.0724457679.

The spelling of 98018377 in words is "ninety-eight million, eighteen thousand, three hundred seventy-seven".