8449482678 has 96 divisors (see below), whose sum is σ = 21237269760. Its totient is φ = 2221369920.

The previous prime is 8449482673. The next prime is 8449482721. The reversal of 8449482678 is 8762849448.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449482673) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1261743 + ... + 1268421.

It is an arithmetic number, because the mean of its divisors is an integer number (221221560).

Almost surely, 2^8449482678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8449482678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10618634880).

8449482678 is an abundant number, since it is smaller than the sum of its proper divisors (12787787082).

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

8449482678 is a wasteful number, since it uses less digits than its factorization.

8449482678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042 (or 7035 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 60.

The square root of 8449482678 is about 91921.0676504576. The cubic root of 8449482678 is about 2036.7764896883.

The spelling of 8449482678 in words is "eight billion, four hundred forty-nine million, four hundred eighty-two thousand, six hundred seventy-eight".