18078863026 has 16 divisors (see below), whose sum is σ = 31293235584. Its totient is φ = 7672859424.

The previous prime is 18078863017. The next prime is 18078863051. The reversal of 18078863026 is 62036887081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6267235 + ... + 6270118.

It is an arithmetic number, because the mean of its divisors is an integer number (1955827224).

Almost surely, 2^18078863026 is an apocalyptic number.

18078863026 is a deficient number, since it is larger than the sum of its proper divisors (13214372558).

18078863026 is a wasteful number, since it uses less digits than its factorization.

18078863026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12537465.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 18078863026 in words is "eighteen billion, seventy-eight million, eight hundred sixty-three thousand, twenty-six".