1118008478 has 4 divisors (see below), whose sum is σ = 1677012720. Its totient is φ = 559004238.

The previous prime is 1118008363. The next prime is 1118008481. The reversal of 1118008478 is 8748008111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279502118 + ... + 279502121.

It is an arithmetic number, because the mean of its divisors is an integer number (419253180).

Almost surely, 2^1118008478 is an apocalyptic number.

1118008478 is a deficient number, since it is larger than the sum of its proper divisors (559004242).

1118008478 is an equidigital number, since it uses as much as digits as its factorization.

1118008478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559004241.

The product of its (nonzero) digits is 14336, while the sum is 38.

The square root of 1118008478 is about 33436.6337719574. The cubic root of 1118008478 is about 1037.8829214687.

The spelling of 1118008478 in words is "one billion, one hundred eighteen million, eight thousand, four hundred seventy-eight".