99477191120 has 40 divisors (see below), whose sum is σ = 231297743616. Its totient is φ = 39788592768.

The previous prime is 99477191111. The next prime is 99477191137. The reversal of 99477191120 is 2119177499.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2397269 + ... + 2438411.

Almost surely, 2^99477191120 is an apocalyptic number.

It is an amenable number.

99477191120 is an abundant number, since it is smaller than the sum of its proper divisors (131820552496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99477191120 is a wasteful number, since it uses less digits than its factorization.

99477191120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71379 (or 71373 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 50.

The spelling of 99477191120 in words is "ninety-nine billion, four hundred seventy-seven million, one hundred ninety-one thousand, one hundred twenty".