7845225487 has 16 divisors (see below), whose sum is σ = 8667525888. Its totient is φ = 7041228480.

The previous prime is 7845225449. The next prime is 7845225497.

7845225487 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7845225487 - 2⁷ = 7845225359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7845225497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2283523 + ... + 2286955.

It is an arithmetic number, because the mean of its divisors is an integer number (541720368).

Almost surely, 2^7845225487 is an apocalyptic number.

7845225487 is a deficient number, since it is larger than the sum of its proper divisors (822300401).

7845225487 is a wasteful number, since it uses less digits than its factorization.

7845225487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030.

The product of its digits is 5017600, while the sum is 52.

The square root of 7845225487 is about 88573.2774994806. The cubic root of 7845225487 is about 1987.0180406040.

It can be divided in two parts, 7845 and 225487, that added together give a palindrome (233332).

The spelling of 7845225487 in words is "seven billion, eight hundred forty-five million, two hundred twenty-five thousand, four hundred eighty-seven".