98378487389 has 16 divisors (see below), whose sum is σ = 121614638208. Its totient is φ = 77495009472.

The previous prime is 98378487373. The next prime is 98378487401.

98378487389 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 98378487389 - 2⁴ = 98378487373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98378487349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2360582 + ... + 2401895.

It is an arithmetic number, because the mean of its divisors is an integer number (7600914888).

Almost surely, 2^98378487389 is an apocalyptic number.

It is an amenable number.

98378487389 is a deficient number, since it is larger than the sum of its proper divisors (23236150819).

98378487389 is a wasteful number, since it uses less digits than its factorization.

98378487389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762724.

The product of its digits is 585252864, while the sum is 74.

The spelling of 98378487389 in words is "ninety-eight billion, three hundred seventy-eight million, four hundred eighty-seven thousand, three hundred eighty-nine".