99787330 has 8 divisors (see below), whose sum is σ = 179617212. Its totient is φ = 39914928.

The previous prime is 99787313. The next prime is 99787339. The reversal of 99787330 is 3378799.

It can be written as a sum of positive squares in 2 ways, for example, as 96412761 + 3374569 = 9819^2 + 1837^2 .

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

It is a super-2 number, since 2×99787330² = 19915022457057800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99787339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4989357 + ... + 4989376.

Almost surely, 2^99787330 is an apocalyptic number.

99787330 is a deficient number, since it is larger than the sum of its proper divisors (79829882).

99787330 is a wasteful number, since it uses less digits than its factorization.

99787330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9978740.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 99787330 is about 9989.3608404142. The cubic root of 99787330 is about 463.8296075948.

The spelling of 99787330 in words is "ninety-nine million, seven hundred eighty-seven thousand, three hundred thirty".