7285665827 has 16 divisors (see below), whose sum is σ = 8254257792. Its totient is φ = 6372717120.

The previous prime is 7285665823. The next prime is 7285665833.

It is a happy number.

7285665827 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7285665827 - 2² = 7285665823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7285665823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83258 + ... + 146639.

It is an arithmetic number, because the mean of its divisors is an integer number (515891112).

Almost surely, 2^7285665827 is an apocalyptic number.

7285665827 is a deficient number, since it is larger than the sum of its proper divisors (968591965).

7285665827 is a wasteful number, since it uses less digits than its factorization.

7285665827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230018.

The product of its digits is 11289600, while the sum is 56.

The square root of 7285665827 is about 85356.1118315496. Note that the first 3 decimals coincide. The cubic root of 7285665827 is about 1938.6068776621.

The spelling of 7285665827 in words is "seven billion, two hundred eighty-five million, six hundred sixty-five thousand, eight hundred twenty-seven".