98440079 has 2 divisors, whose sum is σ = 98440080. Its totient is φ = 98440078.

The previous prime is 98440049. The next prime is 98440103. The reversal of 98440079 is 97004489.

It is a strong prime.

It is an emirp because it is prime and its reverse (97004489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98440079 - 2⁸ = 98439823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98440039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49220039 + 49220040.

It is an arithmetic number, because the mean of its divisors is an integer number (49220040).

Almost surely, 2^98440079 is an apocalyptic number.

98440079 is a deficient number, since it is larger than the sum of its proper divisors (1).

98440079 is an equidigital number, since it uses as much as digits as its factorization.

98440079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 98440079 is about 9921.6973850244. The cubic root of 98440079 is about 461.7327199096.

The spelling of 98440079 in words is "ninety-eight million, four hundred forty thousand, seventy-nine".