5778660 has 96 divisors (see below), whose sum is σ = 17619840. Its totient is φ = 1410048.

The previous prime is 5778659. The next prime is 5778671. The reversal of 5778660 is 668775.

It is a super-2 number, since 2×5778660² = 66785822791200, which contains 22 as substring.

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, 42112 + ... + 42248.

It is an arithmetic number, because the mean of its divisors is an integer number (183540).

Almost surely, 2^5778660 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 5778660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8809920).

5778660 is an abundant number, since it is smaller than the sum of its proper divisors (11841180).

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

5778660 is a wasteful number, since it uses less digits than its factorization.

5778660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 5778660 is about 2403.8843566195. The cubic root of 5778660 is about 179.4495529954.

The spelling of 5778660 in words is "five million, seven hundred seventy-eight thousand, six hundred sixty".