7980038839 has 4 divisors (see below), whose sum is σ = 8010381456. Its totient is φ = 7949696224.

The previous prime is 7980038831. The next prime is 7980038881. The reversal of 7980038839 is 9388300897.

7980038839 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7980038839 - 2³ = 7980038831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7980038839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7980038831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15170914 + ... + 15171439.

It is an arithmetic number, because the mean of its divisors is an integer number (2002595364).

Almost surely, 2^7980038839 is an apocalyptic number.

7980038839 is a deficient number, since it is larger than the sum of its proper divisors (30342617).

7980038839 is a wasteful number, since it uses less digits than its factorization.

7980038839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30342616.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 7980038839 is about 89331.0631247608. The cubic root of 7980038839 is about 1998.3351844959.

The spelling of 7980038839 in words is "seven billion, nine hundred eighty million, thirty-eight thousand, eight hundred thirty-nine".