5287909766 has 4 divisors (see below), whose sum is σ = 7931864652. Its totient is φ = 2643954882.

The previous prime is 5287909747. The next prime is 5287909801. The reversal of 5287909766 is 6679097825.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321977440 + ... + 1321977443.

It is an arithmetic number, because the mean of its divisors is an integer number (1982966163).

Almost surely, 2^5287909766 is an apocalyptic number.

5287909766 is a deficient number, since it is larger than the sum of its proper divisors (2643954886).

5287909766 is a wasteful number, since it uses less digits than its factorization.

5287909766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643954885.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The square root of 5287909766 is about 72718.0154157139. The cubic root of 5287909766 is about 1742.1866381191.

The spelling of 5287909766 in words is "five billion, two hundred eighty-seven million, nine hundred nine thousand, seven hundred sixty-six".