98378885 has 16 divisors (see below), whose sum is σ = 131931072. Its totient is φ = 69801600.

The previous prime is 98378879. The next prime is 98378897. The reversal of 98378885 is 58887389.

It is not a de Polignac number, because 98378885 - 2¹⁴ = 98362501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98378885.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 19559 + ... + 24068.

It is an arithmetic number, because the mean of its divisors is an integer number (8245692).

Almost surely, 2^98378885 is an apocalyptic number.

It is an amenable number.

98378885 is a deficient number, since it is larger than the sum of its proper divisors (33552187).

98378885 is a wasteful number, since it uses less digits than its factorization.

98378885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43684.

The product of its digits is 3870720, while the sum is 56.

The square root of 98378885 is about 9918.6130582859. The cubic root of 98378885 is about 461.6370233558.

The spelling of 98378885 in words is "ninety-eight million, three hundred seventy-eight thousand, eight hundred eighty-five".