8067770005 has 4 divisors (see below), whose sum is σ = 9681324012. Its totient is φ = 6454216000.

The previous prime is 8067769979. The next prime is 8067770027. The reversal of 8067770005 is 5000777608.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5499408964 + 2568361041 = 74158^2 + 50679^2 .

It is not a de Polignac number, because 8067770005 - 2⁷ = 8067769877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8067770005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806776996 + ... + 806777005.

It is an arithmetic number, because the mean of its divisors is an integer number (2420331003).

Almost surely, 2^8067770005 is an apocalyptic number.

It is an amenable number.

8067770005 is a deficient number, since it is larger than the sum of its proper divisors (1613554007).

8067770005 is a wasteful number, since it uses less digits than its factorization.

8067770005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613554006.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 8067770005 is about 89820.7660009644. The cubic root of 8067770005 is about 2005.6316279161.

The spelling of 8067770005 in words is "eight billion, sixty-seven million, seven hundred seventy thousand, five".