5645779000 has 32 divisors (see below), whose sum is σ = 13211125200. Its totient is φ = 2258311200.

The previous prime is 5645778989. The next prime is 5645779001. The reversal of 5645779000 is 9775465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645779001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2821890 + ... + 2823889.

Almost surely, 2^5645779000 is an apocalyptic number.

5645779000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5645779000 is an abundant number, since it is smaller than the sum of its proper divisors (7565346200).

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

5645779000 is a wasteful number, since it uses less digits than its factorization.

5645779000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645800 (or 5645786 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 5645779000 is about 75138.3989714979. The cubic root of 5645779000 is about 1780.6338482439.

The spelling of 5645779000 in words is "five billion, six hundred forty-five million, seven hundred seventy-nine thousand".