18080007 has 16 divisors (see below), whose sum is σ = 26860032. Its totient is φ = 10723520.

The previous prime is 18080003. The next prime is 18080009. The reversal of 18080007 is 70008081.

It is not a de Polignac number, because 18080007 - 2² = 18080003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18080003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4278 + ... + 7379.

It is an arithmetic number, because the mean of its divisors is an integer number (1678752).

Almost surely, 2^18080007 is an apocalyptic number.

18080007 is a deficient number, since it is larger than the sum of its proper divisors (8780025).

18080007 is a wasteful number, since it uses less digits than its factorization.

18080007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11718.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 18080007 is about 4252.0591482245. The cubic root of 18080007 is about 262.4618574965.

Adding to 18080007 its reverse (70008081), we get a palindrome (88088088).

The spelling of 18080007 in words is "eighteen million, eighty thousand, seven".