98278099 has 2 divisors, whose sum is σ = 98278100. Its totient is φ = 98278098.

The previous prime is 98278087. The next prime is 98278123. The reversal of 98278099 is 99087289.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98278099 - 2⁵ = 98278067 is a prime.

It is not a weakly prime, because it can be changed into another prime (98278009) 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, 49139049 + 49139050.

It is an arithmetic number, because the mean of its divisors is an integer number (49139050).

Almost surely, 2^98278099 is an apocalyptic number.

98278099 is a deficient number, since it is larger than the sum of its proper divisors (1).

98278099 is an equidigital number, since it uses as much as digits as its factorization.

98278099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 98278099 is about 9913.5311065230. The cubic root of 98278099 is about 461.4793254027.

The spelling of 98278099 in words is "ninety-eight million, two hundred seventy-eight thousand, ninety-nine".