7989428682 has 20 divisors (see below), whose sum is σ = 17902238706. Its totient is φ = 2663142840.

The previous prime is 7989428669. The next prime is 7989428683. The reversal of 7989428682 is 2868249897.

7989428682 is a `hidden beast` number, since 79 + 89 + 428 + 68 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5237272161 + 2752156521 = 72369^2 + 52461^2 .

It is not an unprimeable number, because it can be changed into a prime (7989428683) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24658569 + ... + 24658892.

Almost surely, 2^7989428682 is an apocalyptic number.

7989428682 is an abundant number, since it is smaller than the sum of its proper divisors (9912810024).

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

7989428682 is a wasteful number, since it uses less digits than its factorization.

7989428682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49317475 (or 49317466 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The square root of 7989428682 is about 89383.6041005284. The cubic root of 7989428682 is about 1999.1186685178.

The spelling of 7989428682 in words is "seven billion, nine hundred eighty-nine million, four hundred twenty-eight thousand, six hundred eighty-two".