7981345304 has 16 divisors (see below), whose sum is σ = 14965975800. Its totient is φ = 3990418432.

The previous prime is 7981345297. The next prime is 7981345327. The reversal of 7981345304 is 4035431897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208679 + ... + 243945.

Almost surely, 2^7981345304 is an apocalyptic number.

It is an amenable number.

7981345304 is a deficient number, since it is larger than the sum of its proper divisors (6984630496).

7981345304 is a wasteful number, since it uses less digits than its factorization.

7981345304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63562 (or 63558 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 7981345304 is about 89338.3753154265. The cubic root of 7981345304 is about 1998.4442321069. Note that the first 3 decimals are identical.

The spelling of 7981345304 in words is "seven billion, nine hundred eighty-one million, three hundred forty-five thousand, three hundred four".