5287780 has 24 divisors (see below), whose sum is σ = 11148480. Its totient is φ = 2106720.

The previous prime is 5287741. The next prime is 5287783. The reversal of 5287780 is 877825.

It is not an unprimeable number, because it can be changed into a prime (5287783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8065 + ... + 8695.

It is an arithmetic number, because the mean of its divisors is an integer number (464520).

Almost surely, 2^5287780 is an apocalyptic number.

It is an amenable number.

5287780 is an abundant number, since it is smaller than the sum of its proper divisors (5860700).

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

5287780 is a wasteful number, since it uses less digits than its factorization.

5287780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 5287780 is about 2299.5173406609. The cubic root of 5287780 is about 174.2172386840.

The spelling of 5287780 in words is "five million, two hundred eighty-seven thousand, seven hundred eighty".