98578348387 has 2 divisors, whose sum is σ = 98578348388. Its totient is φ = 98578348386.

The previous prime is 98578348369. The next prime is 98578348403. The reversal of 98578348387 is 78384387589.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98578348387 - 2⁷ = 98578348259 is a prime.

It is not a weakly prime, because it can be changed into another prime (98578348327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49289174193 + 49289174194.

It is an arithmetic number, because the mean of its divisors is an integer number (49289174194).

Almost surely, 2^98578348387 is an apocalyptic number.

98578348387 is a deficient number, since it is larger than the sum of its proper divisors (1).

98578348387 is an equidigital number, since it uses as much as digits as its factorization.

98578348387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 325140480, while the sum is 70.

The spelling of 98578348387 in words is "ninety-eight billion, five hundred seventy-eight million, three hundred forty-eight thousand, three hundred eighty-seven".