18072807087 has 16 divisors (see below), whose sum is σ = 26183582720. Its totient is φ = 11046196800.

The previous prime is 18072807061. The next prime is 18072807091. The reversal of 18072807087 is 78070827081.

It is not a de Polignac number, because 18072807087 - 2⁸ = 18072806831 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 (18072807887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5112214 + ... + 5115747.

It is an arithmetic number, because the mean of its divisors is an integer number (1636473920).

Almost surely, 2^18072807087 is an apocalyptic number.

18072807087 is a deficient number, since it is larger than the sum of its proper divisors (8110775633).

18072807087 is a wasteful number, since it uses less digits than its factorization.

18072807087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10228014.

The product of its (nonzero) digits is 351232, while the sum is 48.

The spelling of 18072807087 in words is "eighteen billion, seventy-two million, eight hundred seven thousand, eighty-seven".