98394481647 has 80 divisors (see below), whose sum is σ = 189164980224. Its totient is φ = 49465080000.

The previous prime is 98394481621. The next prime is 98394481649. The reversal of 98394481647 is 74618449389.

98394481647 is a `hidden beast` number, since 9 + 8 + 3 + 94 + 481 + 64 + 7 = 666.

It is not a de Polignac number, because 98394481647 - 2¹⁸ = 98394219503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98394481649) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 61104 + ... + 447797.

Almost surely, 2^98394481647 is an apocalyptic number.

98394481647 is a deficient number, since it is larger than the sum of its proper divisors (90770498577).

98394481647 is a wasteful number, since it uses less digits than its factorization.

98394481647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508962 (or 508953 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 98394481647 in words is "ninety-eight billion, three hundred ninety-four million, four hundred eighty-one thousand, six hundred forty-seven".