7939456896 has 64 divisors (see below), whose sum is σ = 24101930880. Its totient is φ = 2268415488.

The previous prime is 7939456879. The next prime is 7939456897. The reversal of 7939456896 is 6986549397.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7939456897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1474146 + ... + 1479521.

It is an arithmetic number, because the mean of its divisors is an integer number (376592670).

Almost surely, 2^7939456896 is an apocalyptic number.

It is an amenable number.

7939456896 is an abundant number, since it is smaller than the sum of its proper divisors (16162473984).

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

7939456896 is a wasteful number, since it uses less digits than its factorization.

7939456896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953691 (or 2953679 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 66.

The square root of 7939456896 is about 89103.6300944019. The cubic root of 7939456896 is about 1994.9419602338.

The spelling of 7939456896 in words is "seven billion, nine hundred thirty-nine million, four hundred fifty-six thousand, eight hundred ninety-six".