2564728827 has 8 divisors (see below), whose sum is σ = 3568318464. Its totient is φ = 1635479208.

The previous prime is 2564728807. The next prime is 2564728841. The reversal of 2564728827 is 7288274652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2564728827 - 2¹⁵ = 2564696059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2564728827.

It is not an unprimeable number, because it can be changed into a prime (2564728807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18584923 + ... + 18585060.

It is an arithmetic number, because the mean of its divisors is an integer number (446039808).

Almost surely, 2^2564728827 is an apocalyptic number.

2564728827 is a deficient number, since it is larger than the sum of its proper divisors (1003589637).

2564728827 is a wasteful number, since it uses less digits than its factorization.

2564728827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37170009.

The product of its digits is 3010560, while the sum is 51.

The square root of 2564728827 is about 50643.1518272708. The cubic root of 2564728827 is about 1368.8225496959.

The spelling of 2564728827 in words is "two billion, five hundred sixty-four million, seven hundred twenty-eight thousand, eight hundred twenty-seven".