8000070845 has 8 divisors (see below), whose sum is σ = 10338553176. Its totient is φ = 5907744576.

The previous prime is 8000070823. The next prime is 8000070907. The reversal of 8000070845 is 5480700008.

It can be written as a sum of positive squares in 4 ways, for example, as 1657222681 + 6342848164 = 40709^2 + 79642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8000070845 - 2¹⁸ = 7999808701 is a prime.

It is a super-2 number, since 2×8000070845² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61538942 + ... + 61539071.

It is an arithmetic number, because the mean of its divisors is an integer number (1292319147).

Almost surely, 2^8000070845 is an apocalyptic number.

It is an amenable number.

8000070845 is a deficient number, since it is larger than the sum of its proper divisors (2338482331).

8000070845 is a wasteful number, since it uses less digits than its factorization.

8000070845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123078031.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 8000070845 is about 89443.1151347045. The cubic root of 8000070845 is about 2000.0059037326.

The spelling of 8000070845 in words is "eight billion, seventy thousand, eight hundred forty-five".