99719760 has 80 divisors (see below), whose sum is σ = 353298816. Its totient is φ = 22792704.

The previous prime is 99719731. The next prime is 99719779. The reversal of 99719760 is 6791799.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27999 + ... + 31358.

Almost surely, 2^99719760 is an apocalyptic number.

It is an amenable number.

99719760 is an abundant number, since it is smaller than the sum of its proper divisors (253579056).

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

99719760 is a wasteful number, since it uses less digits than its factorization.

99719760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59380 (or 59374 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 48.

The square root of 99719760 is about 9985.9781694133. The cubic root of 99719760 is about 463.7248914172.

The spelling of 99719760 in words is "ninety-nine million, seven hundred nineteen thousand, seven hundred sixty".