99999760 has 40 divisors (see below), whose sum is σ = 265715136. Its totient is φ = 34285440.

The previous prime is 99999721. The next prime is 99999773. The reversal of 99999760 is 6799999.

It is a happy number.

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

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 99999695 and 99999704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88726 + ... + 89845.

Almost surely, 2^99999760 is an apocalyptic number.

It is an amenable number.

99999760 is an abundant number, since it is smaller than the sum of its proper divisors (165715376).

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

99999760 is a wasteful number, since it uses less digits than its factorization.

99999760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178591 (or 178585 counting only the distinct ones).

The product of its (nonzero) digits is 2480058, while the sum is 58.

The square root of 99999760 is about 9999.9879999928. The cubic root of 99999760 is about 464.1585120339.

The spelling of 99999760 in words is "ninety-nine million, nine hundred ninety-nine thousand, seven hundred sixty".