8067756842 has 4 divisors (see below), whose sum is σ = 12101635266. Its totient is φ = 4033878420.

The previous prime is 8067756799. The next prime is 8067756859. The reversal of 8067756842 is 2486577608.

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., 6835817041 + 1231939801 = 82679^2 + 35099^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016939209 + ... + 2016939212.

Almost surely, 2^8067756842 is an apocalyptic number.

8067756842 is a deficient number, since it is larger than the sum of its proper divisors (4033878424).

8067756842 is a wasteful number, since it uses less digits than its factorization.

8067756842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033878423.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The square root of 8067756842 is about 89820.6927272330. The cubic root of 8067756842 is about 2005.6305371503.

The spelling of 8067756842 in words is "eight billion, sixty-seven million, seven hundred fifty-six thousand, eight hundred forty-two".