239997000007 has 4 divisors (see below), whose sum is σ = 252628421080. Its totient is φ = 227365578936.

The previous prime is 239996999987. The next prime is 239997000053. The reversal of 239997000007 is 700000799932.

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

It is a cyclic number.

It is not a de Polignac number, because 239997000007 - 2²⁷ = 239862782279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239997000307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6315710508 + ... + 6315710545.

It is an arithmetic number, because the mean of its divisors is an integer number (63157105270).

Almost surely, 2^239997000007 is an apocalyptic number.

239997000007 is a deficient number, since it is larger than the sum of its proper divisors (12631421073).

239997000007 is a wasteful number, since it uses less digits than its factorization.

239997000007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12631421072.

The product of its (nonzero) digits is 214326, while the sum is 46.

Adding to 239997000007 its reverse (700000799932), we get a palindrome (939997799939).

The spelling of 239997000007 in words is "two hundred thirty-nine billion, nine hundred ninety-seven million, seven", and thus it is an aban number.