7961847552 has 216 divisors, whose sum is σ = 24947919360. Its totient is φ = 2432747520.

The previous prime is 7961847511. The next prime is 7961847563. The reversal of 7961847552 is 2557481697.

7961847552 is a `hidden beast` number, since 7 + 9 + 6 + 1 + 84 + 7 + 552 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1354123 + ... + 1359989.

Almost surely, 2^7961847552 is an apocalyptic number.

7961847552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7961847552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12473959680).

7961847552 is an abundant number, since it is smaller than the sum of its proper divisors (16986071808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7961847552 is a wasteful number, since it uses less digits than its factorization.

7961847552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939 (or 5922 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 7961847552 is about 89229.1855392618. The cubic root of 7961847552 is about 1996.8155617007.

The spelling of 7961847552 in words is "seven billion, nine hundred sixty-one million, eight hundred forty-seven thousand, five hundred fifty-two".