98478905 has 8 divisors (see below), whose sum is σ = 135056832. Its totient is φ = 67528368.

The previous prime is 98478871. The next prime is 98478907. The reversal of 98478905 is 50987489.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98478905 - 2¹⁸ = 98216761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98478907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406807 + ... + 1406876.

It is an arithmetic number, because the mean of its divisors is an integer number (16882104).

Almost surely, 2^98478905 is an apocalyptic number.

It is an amenable number.

98478905 is a deficient number, since it is larger than the sum of its proper divisors (36577927).

98478905 is a wasteful number, since it uses less digits than its factorization.

98478905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813695.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 98478905 is about 9923.6538129864. The cubic root of 98478905 is about 461.7934163196.

The spelling of 98478905 in words is "ninety-eight million, four hundred seventy-eight thousand, nine hundred five".