8208449070 has 32 divisors (see below), whose sum is σ = 20556813312. Its totient is φ = 2093749152.

The previous prime is 8208449069. The next prime is 8208449077. The reversal of 8208449070 is 709448028.

It is a super-2 number, since 2×8208449070² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8208449077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5947462 + ... + 5948841.

It is an arithmetic number, because the mean of its divisors is an integer number (642400416).

Almost surely, 2^8208449070 is an apocalyptic number.

8208449070 is an abundant number, since it is smaller than the sum of its proper divisors (12348364242).

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

8208449070 is a wasteful number, since it uses less digits than its factorization.

8208449070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11896336.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 8208449070 is about 90600.4915549579. The cubic root of 8208449070 is about 2017.2220309888. Note that the first 3 decimals are identical.

The spelling of 8208449070 in words is "eight billion, two hundred eight million, four hundred forty-nine thousand, seventy".