7834439064 has 32 divisors (see below), whose sum is σ = 19695528000. Its totient is φ = 2596888992.

The previous prime is 7834439057. The next prime is 7834439111. The reversal of 7834439064 is 4609344387.

It is a super-2 number, since 2×7834439064² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907534 + ... + 916125.

It is an arithmetic number, because the mean of its divisors is an integer number (615485250).

Almost surely, 2^7834439064 is an apocalyptic number.

It is an amenable number.

7834439064 is an abundant number, since it is smaller than the sum of its proper divisors (11861088936).

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

7834439064 is a wasteful number, since it uses less digits than its factorization.

7834439064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823847 (or 1823843 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The square root of 7834439064 is about 88512.3667291752. The cubic root of 7834439064 is about 1986.1069706664.

The spelling of 7834439064 in words is "seven billion, eight hundred thirty-four million, four hundred thirty-nine thousand, sixty-four".