8438495670 has 48 divisors (see below), whose sum is σ = 23934645072. Its totient is φ = 2045695680.

The previous prime is 8438495641. The next prime is 8438495677. The reversal of 8438495670 is 765948348.

8438495670 is a `hidden beast` number, since 8 + 4 + 38 + 49 + 567 + 0 = 666.

8438495670 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8438495677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4260877 + ... + 4262856.

It is an arithmetic number, because the mean of its divisors is an integer number (498638439).

Almost surely, 2^8438495670 is an apocalyptic number.

8438495670 is an abundant number, since it is smaller than the sum of its proper divisors (15496149402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8438495670 is a wasteful number, since it uses less digits than its factorization.

8438495670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523757 (or 8523754 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The square root of 8438495670 is about 91861.2849354939. The cubic root of 8438495670 is about 2035.8932882354.

The spelling of 8438495670 in words is "eight billion, four hundred thirty-eight million, four hundred ninety-five thousand, six hundred seventy".