5657782120 has 16 divisors (see below), whose sum is σ = 12730009860. Its totient is φ = 2263112832.

The previous prime is 5657782093. The next prime is 5657782157. The reversal of 5657782120 is 212877565.

It can be written as a sum of positive squares in 2 ways, for example, as 5657747524 + 34596 = 75218^2 + 186^2 .

It is an unprimeable number.

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, 70722237 + ... + 70722316.

Almost surely, 2^5657782120 is an apocalyptic number.

It is an amenable number.

5657782120 is an abundant number, since it is smaller than the sum of its proper divisors (7072227740).

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

5657782120 is a wasteful number, since it uses less digits than its factorization.

5657782120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141444564 (or 141444560 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 5657782120 is about 75218.2299711978. The cubic root of 5657782120 is about 1781.8948512534.

The spelling of 5657782120 in words is "five billion, six hundred fifty-seven million, seven hundred eighty-two thousand, one hundred twenty".