8044670667 has 32 divisors (see below), whose sum is σ = 12117724416. Its totient is φ = 4705084800.

The previous prime is 8044670663. The next prime is 8044670681. The reversal of 8044670667 is 7660764408.

It is a happy number.

It is not a de Polignac number, because 8044670667 - 2² = 8044670663 is a prime.

It is a super-2 number, since 2×8044670667² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8044670663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68988 + ... + 144390.

It is an arithmetic number, because the mean of its divisors is an integer number (378678888).

Almost surely, 2^8044670667 is an apocalyptic number.

8044670667 is a deficient number, since it is larger than the sum of its proper divisors (4073053749).

8044670667 is a wasteful number, since it uses less digits than its factorization.

8044670667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75531.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 8044670667 is about 89692.0880958850. The cubic root of 8044670667 is about 2003.7156482874.

The spelling of 8044670667 in words is "eight billion, forty-four million, six hundred seventy thousand, six hundred sixty-seven".