7985225897 has 8 divisors (see below), whose sum is σ = 8733553920. Its totient is φ = 7240630960.

The previous prime is 7985225851. The next prime is 7985225909.

It is a happy number.

7985225897 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 7985225897 - 2¹⁰ = 7985224873 is a prime.

It is a super-2 number, since 2×7985225897² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7985225597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928793 + ... + 937350.

It is an arithmetic number, because the mean of its divisors is an integer number (1091694240).

Almost surely, 2^7985225897 is an apocalyptic number.

It is an amenable number.

7985225897 is a deficient number, since it is larger than the sum of its proper divisors (748328023).

7985225897 is a wasteful number, since it uses less digits than its factorization.

7985225897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866543.

The product of its digits is 25401600, while the sum is 62.

The square root of 7985225897 is about 89360.0911872856. The cubic root of 7985225897 is about 1998.7680660752.

The spelling of 7985225897 in words is "seven billion, nine hundred eighty-five million, two hundred twenty-five thousand, eight hundred ninety-seven".