8465739408 has 640 divisors, whose sum is σ = 31109120000. Its totient is φ = 2194698240.

The previous prime is 8465739383. The next prime is 8465739481. The reversal of 8465739408 is 8049375648.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 87275616 + ... + 87275712.

It is an arithmetic number, because the mean of its divisors is an integer number (48608000).

Almost surely, 2^8465739408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8465739408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15554560000).

8465739408 is an abundant number, since it is smaller than the sum of its proper divisors (22643380592).

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

8465739408 is a wasteful number, since it uses less digits than its factorization.

8465739408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 159 counting only the distinct ones).

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

The square root of 8465739408 is about 92009.4528187186. The cubic root of 8465739408 is about 2038.0818995023.

The spelling of 8465739408 in words is "eight billion, four hundred sixty-five million, seven hundred thirty-nine thousand, four hundred eight".