847487871525 has 48 divisors (see below), whose sum is σ = 1422464099328. Its totient is φ = 445174560000.

The previous prime is 847487871499. The next prime is 847487871553. The reversal of 847487871525 is 525178784748.

It is not a de Polignac number, because 847487871525 - 2⁵ = 847487871493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1153947 + ... + 1739703.

It is an arithmetic number, because the mean of its divisors is an integer number (29634668736).

Almost surely, 2^847487871525 is an apocalyptic number.

It is an amenable number.

847487871525 is a deficient number, since it is larger than the sum of its proper divisors (574976227803).

847487871525 is a wasteful number, since it uses less digits than its factorization.

847487871525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586062 (or 586057 counting only the distinct ones).

The product of its digits is 140492800, while the sum is 66.

The spelling of 847487871525 in words is "eight hundred forty-seven billion, four hundred eighty-seven million, eight hundred seventy-one thousand, five hundred twenty-five".