919470868 has 48 divisors (see below), whose sum is σ = 1739001600. Its totient is φ = 424448640.

The previous prime is 919470859. The next prime is 919470869. The reversal of 919470868 is 868074919.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919470869) by changing a digit.

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, 251413 + ... + 255043.

It is an arithmetic number, because the mean of its divisors is an integer number (36229200).

Almost surely, 2^919470868 is an apocalyptic number.

It is an amenable number.

919470868 is a deficient number, since it is larger than the sum of its proper divisors (819530732).

919470868 is a wasteful number, since it uses less digits than its factorization.

919470868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760 (or 3758 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 919470868 is about 30322.7780389594. The cubic root of 919470868 is about 972.4023310870.

The spelling of 919470868 in words is "nine hundred nineteen million, four hundred seventy thousand, eight hundred sixty-eight".