8427602842 has 4 divisors (see below), whose sum is σ = 12641404266. Its totient is φ = 4213801420.

The previous prime is 8427602783. The next prime is 8427602873. The reversal of 8427602842 is 2482067248.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7489344681 + 938258161 = 86541^2 + 30631^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106900709 + ... + 2106900712.

Almost surely, 2^8427602842 is an apocalyptic number.

8427602842 is a deficient number, since it is larger than the sum of its proper divisors (4213801424).

8427602842 is a wasteful number, since it uses less digits than its factorization.

8427602842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213801423.

The product of its (nonzero) digits is 344064, while the sum is 43.

The square root of 8427602842 is about 91801.9762423446. The cubic root of 8427602842 is about 2035.0169004144.

The spelling of 8427602842 in words is "eight billion, four hundred twenty-seven million, six hundred two thousand, eight hundred forty-two".