5271787565 has 64 divisors (see below), whose sum is σ = 7452076032. Its totient is φ = 3541190400.

The previous prime is 5271787513. The next prime is 5271787597. The reversal of 5271787565 is 5657871725.

It is not a de Polignac number, because 5271787565 - 2⁶ = 5271787501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7628870 + ... + 7629560.

It is an arithmetic number, because the mean of its divisors is an integer number (116438688).

Almost surely, 2^5271787565 is an apocalyptic number.

5271787565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5271787565 is a deficient number, since it is larger than the sum of its proper divisors (2180288467).

5271787565 is a wasteful number, since it uses less digits than its factorization.

5271787565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930.

The product of its digits is 4116000, while the sum is 53.

The square root of 5271787565 is about 72607.0765490527. The cubic root of 5271787565 is about 1740.4142631242.

The spelling of 5271787565 in words is "five billion, two hundred seventy-one million, seven hundred eighty-seven thousand, five hundred sixty-five".