99984575475 has 60 divisors (see below), whose sum is σ = 186037356736. Its totient is φ = 53085741120.

The previous prime is 99984575459. The next prime is 99984575491. The reversal of 99984575475 is 57457548999.

99984575475 is a `hidden beast` number, since 9 + 9 + 9 + 8 + 4 + 575 + 47 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (99984575459) and next prime (99984575491).

It is not a de Polignac number, because 99984575475 - 2⁴ = 99984575459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 340869 + ... + 562281.

Almost surely, 2^99984575475 is an apocalyptic number.

99984575475 is a deficient number, since it is larger than the sum of its proper divisors (86052781261).

99984575475 is a wasteful number, since it uses less digits than its factorization.

99984575475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221658 (or 221644 counting only the distinct ones).

The product of its digits is 571536000, while the sum is 72.

The spelling of 99984575475 in words is "ninety-nine billion, nine hundred eighty-four million, five hundred seventy-five thousand, four hundred seventy-five".