1875679668 has 18 divisors (see below), whose sum is σ = 4741301474. Its totient is φ = 625226544.

The previous prime is 1875679643. The next prime is 1875679669. The reversal of 1875679668 is 8669765781.

1875679668 is a `hidden beast` number, since 1 + 8 + 7 + 567 + 9 + 6 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1262523024 + 613156644 = 35532^2 + 24762^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1875679669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26051071 + ... + 26051142.

Almost surely, 2^1875679668 is an apocalyptic number.

1875679668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1875679668 is an abundant number, since it is smaller than the sum of its proper divisors (2865621806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1875679668 is a wasteful number, since it uses less digits than its factorization.

1875679668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52102223 (or 52102218 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 1875679668 is about 43309.1176081896. The cubic root of 1875679668 is about 1233.2550152037.

The spelling of 1875679668 in words is "one billion, eight hundred seventy-five million, six hundred seventy-nine thousand, six hundred sixty-eight".