1768458868 has 24 divisors (see below), whose sum is σ = 3522939840. Its totient is φ = 768894720.

The previous prime is 1768458823. The next prime is 1768458917. The reversal of 1768458868 is 8688548671.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872733 + ... + 874756.

It is an arithmetic number, because the mean of its divisors is an integer number (146789160).

Almost surely, 2^1768458868 is an apocalyptic number.

It is an amenable number.

1768458868 is a deficient number, since it is larger than the sum of its proper divisors (1754480972).

1768458868 is a wasteful number, since it uses less digits than its factorization.

1768458868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747527 (or 1747525 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 61.

The square root of 1768458868 is about 42053.0482605007. The cubic root of 1768458868 is about 1209.2933213921.

The spelling of 1768458868 in words is "one billion, seven hundred sixty-eight million, four hundred fifty-eight thousand, eight hundred sixty-eight".