99999700001 has 4 divisors (see below), whose sum is σ = 100001819904. Its totient is φ = 99997580100.

The previous prime is 99999699983. The next prime is 99999700027. The reversal of 99999700001 is 10000799999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99999700001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99999700091) 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, 987545 + ... + 1084086.

It is an arithmetic number, because the mean of its divisors is an integer number (25000454976).

Almost surely, 2^99999700001 is an apocalyptic number.

It is an amenable number.

99999700001 is a deficient number, since it is larger than the sum of its proper divisors (2119903).

99999700001 is a wasteful number, since it uses less digits than its factorization.

99999700001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119902.

The product of its (nonzero) digits is 413343, while the sum is 53.

The spelling of 99999700001 in words is "ninety-nine billion, nine hundred ninety-nine million, seven hundred thousand, one".