98623879 has 2 divisors, whose sum is σ = 98623880. Its totient is φ = 98623878.

The previous prime is 98623853. The next prime is 98623883. The reversal of 98623879 is 97832689.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98623879 - 2⁹ = 98623367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98623829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49311939 + 49311940.

It is an arithmetic number, because the mean of its divisors is an integer number (49311940).

Almost surely, 2^98623879 is an apocalyptic number.

98623879 is a deficient number, since it is larger than the sum of its proper divisors (1).

98623879 is an equidigital number, since it uses as much as digits as its factorization.

98623879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 98623879 is about 9930.9555934965. The cubic root of 98623879 is about 462.0199122493.

The spelling of 98623879 in words is "ninety-eight million, six hundred twenty-three thousand, eight hundred seventy-nine".