99784671416 has 8 divisors (see below), whose sum is σ = 187096258920. Its totient is φ = 49892335704.

The previous prime is 99784671361. The next prime is 99784671449. The reversal of 99784671416 is 61417648799.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6236541956 + ... + 6236541971.

It is an arithmetic number, because the mean of its divisors is an integer number (23387032365).

Almost surely, 2^99784671416 is an apocalyptic number.

It is an amenable number.

99784671416 is a deficient number, since it is larger than the sum of its proper divisors (87311587504).

99784671416 is a wasteful number, since it uses less digits than its factorization.

99784671416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12473083933 (or 12473083929 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 62.

The spelling of 99784671416 in words is "ninety-nine billion, seven hundred eighty-four million, six hundred seventy-one thousand, four hundred sixteen".