99768707 has 4 divisors (see below), whose sum is σ = 99795696. Its totient is φ = 99741720.

The previous prime is 99768673. The next prime is 99768719. The reversal of 99768707 is 70786799.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99768707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99768727) 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, 6863 + ... + 15704.

It is an arithmetic number, because the mean of its divisors is an integer number (24948924).

Almost surely, 2^99768707 is an apocalyptic number.

99768707 is a deficient number, since it is larger than the sum of its proper divisors (26989).

99768707 is a wasteful number, since it uses less digits than its factorization.

99768707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26988.

The product of its (nonzero) digits is 1333584, while the sum is 53.

The square root of 99768707 is about 9988.4286551990. The cubic root of 99768707 is about 463.8007514391.

The spelling of 99768707 in words is "ninety-nine million, seven hundred sixty-eight thousand, seven hundred seven".