968555919 has 16 divisors (see below), whose sum is σ = 1327276160. Its totient is φ = 627795360.

The previous prime is 968555899. The next prime is 968555923. The reversal of 968555919 is 919555869.

It is not a de Polignac number, because 968555919 - 2⁸ = 968555663 is a prime.

It is a super-2 number, since 2×968555919² = 1876201136459869122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968555969) 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, 221052 + ... + 225390.

It is an arithmetic number, because the mean of its divisors is an integer number (82954760).

Almost surely, 2^968555919 is an apocalyptic number.

968555919 is a deficient number, since it is larger than the sum of its proper divisors (358720241).

968555919 is a wasteful number, since it uses less digits than its factorization.

968555919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390.

The product of its digits is 4374000, while the sum is 57.

The square root of 968555919 is about 31121.6310465888. The cubic root of 968555919 is about 989.4068204532.

Subtracting from 968555919 its reverse (919555869), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 968555919 in words is "nine hundred sixty-eight million, five hundred fifty-five thousand, nine hundred nineteen".