7847227487 has 8 divisors (see below), whose sum is σ = 9011170560. Its totient is φ = 6758377560.

The previous prime is 7847227471. The next prime is 7847227499.

7847227487 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 7847227487 - 2⁴ = 7847227471 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 (7847227417) 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, 18773063 + ... + 18773480.

It is an arithmetic number, because the mean of its divisors is an integer number (1126396320).

Almost surely, 2^7847227487 is an apocalyptic number.

7847227487 is a deficient number, since it is larger than the sum of its proper divisors (1163943073).

7847227487 is a wasteful number, since it uses less digits than its factorization.

7847227487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37546573.

The product of its digits is 9834496, while the sum is 56.

The square root of 7847227487 is about 88584.5781555684. The cubic root of 7847227487 is about 1987.1870466571.

The spelling of 7847227487 in words is "seven billion, eight hundred forty-seven million, two hundred twenty-seven thousand, four hundred eighty-seven".