5577728646 has 32 divisors (see below), whose sum is σ = 12759003648. Its totient is φ = 1592398080.

The previous prime is 5577728641. The next prime is 5577728647. The reversal of 5577728646 is 6468277755.

It is a super-2 number, since 2×5577728646² = 62222113696817986632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5577728641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3766 + ... + 105686.

It is an arithmetic number, because the mean of its divisors is an integer number (398718864).

Almost surely, 2^5577728646 is an apocalyptic number.

5577728646 is an abundant number, since it is smaller than the sum of its proper divisors (7181275002).

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

5577728646 is a wasteful number, since it uses less digits than its factorization.

5577728646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103236.

The product of its digits is 19756800, while the sum is 57.

The square root of 5577728646 is about 74684.1927451854. The cubic root of 5577728646 is about 1773.4507299825.

The spelling of 5577728646 in words is "five billion, five hundred seventy-seven million, seven hundred twenty-eight thousand, six hundred forty-six".