8957018890 has 32 divisors (see below), whose sum is σ = 16591474944. Its totient is φ = 3479785920.

The previous prime is 8957018887. The next prime is 8957018911. The reversal of 8957018890 is 988107598.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11169 + ... + 134308.

It is an arithmetic number, because the mean of its divisors is an integer number (518483592).

Almost surely, 2^8957018890 is an apocalyptic number.

8957018890 is a deficient number, since it is larger than the sum of its proper divisors (7634456054).

8957018890 is a wasteful number, since it uses less digits than its factorization.

8957018890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145662.

The product of its (nonzero) digits is 1451520, while the sum is 55.

The square root of 8957018890 is about 94641.5283583269. The cubic root of 8957018890 is about 2076.7672670330.

The spelling of 8957018890 in words is "eight billion, nine hundred fifty-seven million, eighteen thousand, eight hundred ninety".