945780892 has 12 divisors (see below), whose sum is σ = 1891561840. Its totient is φ = 405334656.

The previous prime is 945780889. The next prime is 945780893. The reversal of 945780892 is 298087549.

945780892 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945780893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16888917 + ... + 16888972.

Almost surely, 2^945780892 is an apocalyptic number.

It is an amenable number.

945780892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

945780892 is a wasteful number, since it uses less digits than its factorization.

945780892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33777900 (or 33777898 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 945780892 is about 30753.5508844101. The cubic root of 945780892 is about 981.5901201728.

The spelling of 945780892 in words is "nine hundred forty-five million, seven hundred eighty thousand, eight hundred ninety-two".