7981828347 has 16 divisors (see below), whose sum is σ = 10808552480. Its totient is φ = 5238784512.

The previous prime is 7981828247. The next prime is 7981828397. The reversal of 7981828347 is 7438281897.

It is not a de Polignac number, because 7981828347 - 2¹⁰ = 7981827323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7981828397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26398 + ... + 129075.

It is an arithmetic number, because the mean of its divisors is an integer number (675534530).

Almost surely, 2^7981828347 is an apocalyptic number.

7981828347 is a deficient number, since it is larger than the sum of its proper divisors (2826724133).

7981828347 is a wasteful number, since it uses less digits than its factorization.

7981828347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155742.

The product of its digits is 5419008, while the sum is 57.

The square root of 7981828347 is about 89341.0787208214. The cubic root of 7981828347 is about 1998.4845475753.

The spelling of 7981828347 in words is "seven billion, nine hundred eighty-one million, eight hundred twenty-eight thousand, three hundred forty-seven".