7989844051 has 8 divisors (see below), whose sum is σ = 9136306944. Its totient is φ = 6844645320.

The previous prime is 7989843977. The next prime is 7989844063. The reversal of 7989844051 is 1504489897.

It is a happy number.

7989844051 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7989844051 - 2¹⁹ = 7989319763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7989843983 and 7989844001.

It is not an unprimeable number, because it can be changed into a prime (7989844151) 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, 302455 + ... + 327808.

It is an arithmetic number, because the mean of its divisors is an integer number (1142038368).

Almost surely, 2^7989844051 is an apocalyptic number.

7989844051 is a deficient number, since it is larger than the sum of its proper divisors (1146462893).

7989844051 is a wasteful number, since it uses less digits than its factorization.

7989844051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632081.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 7989844051 is about 89385.9275893023. The cubic root of 7989844051 is about 1999.1533125274.

The spelling of 7989844051 in words is "seven billion, nine hundred eighty-nine million, eight hundred forty-four thousand, fifty-one".