1975868768 has 24 divisors (see below), whose sum is σ = 3896936568. Its totient is φ = 986170624.

The previous prime is 1975868723. The next prime is 1975868813. The reversal of 1975868768 is 8678685791.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1975868723) and next prime (1975868813).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36821 + ... + 72852.

It is an arithmetic number, because the mean of its divisors is an integer number (162372357).

Almost surely, 2^1975868768 is an apocalyptic number.

It is an amenable number.

1975868768 is a deficient number, since it is larger than the sum of its proper divisors (1921067800).

1975868768 is a wasteful number, since it uses less digits than its factorization.

1975868768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110246 (or 110238 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 65.

The square root of 1975868768 is about 44450.7454155721. The cubic root of 1975868768 is about 1254.8332911897.

The spelling of 1975868768 in words is "one billion, nine hundred seventy-five million, eight hundred sixty-eight thousand, seven hundred sixty-eight".