7942327989 has 8 divisors (see below), whose sum is σ = 10667068800. Its totient is φ = 5256236256.

The previous prime is 7942327973. The next prime is 7942327993. The reversal of 7942327989 is 9897232497.

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

It is not a de Polignac number, because 7942327989 - 2⁴ = 7942327973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7942327919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9661789 + ... + 9662610.

It is an arithmetic number, because the mean of its divisors is an integer number (1333383600).

Almost surely, 2^7942327989 is an apocalyptic number.

It is an amenable number.

7942327989 is a deficient number, since it is larger than the sum of its proper divisors (2724740811).

7942327989 is a wasteful number, since it uses less digits than its factorization.

7942327989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19324539.

The product of its digits is 13716864, while the sum is 60.

The square root of 7942327989 is about 89119.7396147453. The cubic root of 7942327989 is about 1995.1824037844.

The spelling of 7942327989 in words is "seven billion, nine hundred forty-two million, three hundred twenty-seven thousand, nine hundred eighty-nine".