7157585285 has 16 divisors (see below), whose sum is σ = 9081730560. Its totient is φ = 5400354240.

The previous prime is 7157585251. The next prime is 7157585363. The reversal of 7157585285 is 5825857517.

It is a happy number.

It is not a de Polignac number, because 7157585285 - 2⁶ = 7157585221 is a prime.

It is a super-2 number, since 2×7157585285² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 147746 + ... + 190115.

It is an arithmetic number, because the mean of its divisors is an integer number (567608160).

Almost surely, 2^7157585285 is an apocalyptic number.

It is an amenable number.

7157585285 is a deficient number, since it is larger than the sum of its proper divisors (1924145275).

7157585285 is a wasteful number, since it uses less digits than its factorization.

7157585285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338108.

The product of its digits is 3920000, while the sum is 53.

The square root of 7157585285 is about 84602.5134673906. The cubic root of 7157585285 is about 1927.1795438036.

The spelling of 7157585285 in words is "seven billion, one hundred fifty-seven million, five hundred eighty-five thousand, two hundred eighty-five".