7989239950 has 12 divisors (see below), whose sum is σ = 14859986400. Its totient is φ = 3195695960.

The previous prime is 7989239933. The next prime is 7989239977. The reversal of 7989239950 is 599329897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79892350 + ... + 79892449.

It is an arithmetic number, because the mean of its divisors is an integer number (1238332200).

Almost surely, 2^7989239950 is an apocalyptic number.

7989239950 is a deficient number, since it is larger than the sum of its proper divisors (6870746450).

7989239950 is a wasteful number, since it uses less digits than its factorization.

7989239950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159784811 (or 159784806 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 61.

The square root of 7989239950 is about 89382.5483525727. The cubic root of 7989239950 is about 1999.1029268567.

The spelling of 7989239950 in words is "seven billion, nine hundred eighty-nine million, two hundred thirty-nine thousand, nine hundred fifty".