800090007 has 4 divisors (see below), whose sum is σ = 1066786680. Its totient is φ = 533393336.

The previous prime is 800090003. The next prime is 800090009. The reversal of 800090007 is 700090008.

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 800090007 - 2² = 800090003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800090003) 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, 133348332 + ... + 133348337.

It is an arithmetic number, because the mean of its divisors is an integer number (266696670).

Almost surely, 2^800090007 is an apocalyptic number.

800090007 is a deficient number, since it is larger than the sum of its proper divisors (266696673).

800090007 is a wasteful number, since it uses less digits than its factorization.

800090007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266696672.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 800090007 is about 28285.8623167122. The cubic root of 800090007 is about 928.3525800408.

Subtracting from 800090007 its reverse (700090008), we obtain a palindrome (99999999).

The spelling of 800090007 in words is "eight hundred million, ninety thousand, seven".