5687784655 has 32 divisors (see below), whose sum is σ = 8338111488. Its totient is φ = 3639609600.

The previous prime is 5687784637. The next prime is 5687784671. The reversal of 5687784655 is 5564877865.

It is not a de Polignac number, because 5687784655 - 2²⁹ = 5150913743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5687784593 and 5687784602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53161 + ... + 119170.

It is an arithmetic number, because the mean of its divisors is an integer number (260565984).

Almost surely, 2^5687784655 is an apocalyptic number.

5687784655 is a deficient number, since it is larger than the sum of its proper divisors (2650326833).

5687784655 is a wasteful number, since it uses less digits than its factorization.

5687784655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172407.

The product of its digits is 56448000, while the sum is 61.

The square root of 5687784655 is about 75417.4028656516. The cubic root of 5687784655 is about 1785.0390244301.

The spelling of 5687784655 in words is "five billion, six hundred eighty-seven million, seven hundred eighty-four thousand, six hundred fifty-five".