99768530 has 8 divisors (see below), whose sum is σ = 179583372. Its totient is φ = 39907408.

The previous prime is 99768527. The next prime is 99768577. The reversal of 99768530 is 3586799.

It can be written as a sum of positive squares in 2 ways, for example, as 99660289 + 108241 = 9983^2 + 329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4988417 + ... + 4988436.

Almost surely, 2^99768530 is an apocalyptic number.

99768530 is a deficient number, since it is larger than the sum of its proper divisors (79814842).

99768530 is a wasteful number, since it uses less digits than its factorization.

99768530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9976860.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 99768530 is about 9988.4197949425. The cubic root of 99768530 is about 463.8004771622.

The spelling of 99768530 in words is "ninety-nine million, seven hundred sixty-eight thousand, five hundred thirty".