7880439345 has 16 divisors (see below), whose sum is σ = 12614935680. Its totient is φ = 4200823424.

The previous prime is 7880439319. The next prime is 7880439361. The reversal of 7880439345 is 5439340887.

7880439345 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7880439345 - 2⁹ = 7880438833 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98244 + ... + 159413.

It is an arithmetic number, because the mean of its divisors is an integer number (788433480).

Almost surely, 2^7880439345 is an apocalyptic number.

It is an amenable number.

7880439345 is a deficient number, since it is larger than the sum of its proper divisors (4734496335).

7880439345 is a wasteful number, since it uses less digits than its factorization.

7880439345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259704.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 7880439345 is about 88771.8386933604. The cubic root of 7880439345 is about 1989.9865612755.

The spelling of 7880439345 in words is "seven billion, eight hundred eighty million, four hundred thirty-nine thousand, three hundred forty-five".