5727665280 has 128 divisors (see below), whose sum is σ = 18311676480. Its totient is φ = 1522798592.

The previous prime is 5727665267. The next prime is 5727665309. The reversal of 5727665280 is 825667275.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×5727665280² = 65612299119434956800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661942 + ... + 670538.

Almost surely, 2^5727665280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5727665280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9155838240).

5727665280 is an abundant number, since it is smaller than the sum of its proper divisors (12584011200).

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

5727665280 is a wasteful number, since it uses less digits than its factorization.

5727665280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8966 (or 8954 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The square root of 5727665280 is about 75681.3403686800. The cubic root of 5727665280 is about 1789.2013207086.

The spelling of 5727665280 in words is "five billion, seven hundred twenty-seven million, six hundred sixty-five thousand, two hundred eighty".