1925968788 has 36 divisors (see below), whose sum is σ = 4889888640. Its totient is φ = 639158736.

The previous prime is 1925968787. The next prime is 1925968813. The reversal of 1925968788 is 8878695291.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925968787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109668 + ... + 126011.

It is an arithmetic number, because the mean of its divisors is an integer number (135830240).

Almost surely, 2^1925968788 is an apocalyptic number.

1925968788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1925968788 is an abundant number, since it is smaller than the sum of its proper divisors (2963919852).

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

1925968788 is a wasteful number, since it uses less digits than its factorization.

1925968788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235916 (or 235911 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 63.

The square root of 1925968788 is about 43885.8609121434. The cubic root of 1925968788 is about 1244.1796153355.

The spelling of 1925968788 in words is "one billion, nine hundred twenty-five million, nine hundred sixty-eight thousand, seven hundred eighty-eight".