7989601340 has 48 divisors (see below), whose sum is σ = 19180288512. Its totient is φ = 2738542656.

The previous prime is 7989601339. The next prime is 7989601421. The reversal of 7989601340 is 431069897.

It is a congruent 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, 813137 + ... + 822903.

It is an arithmetic number, because the mean of its divisors is an integer number (399589344).

Almost surely, 2^7989601340 is an apocalyptic number.

7989601340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7989601340 is an abundant number, since it is smaller than the sum of its proper divisors (11190687172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7989601340 is a wasteful number, since it uses less digits than its factorization.

7989601340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15626 (or 15624 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 7989601340 is about 89384.5699212118. The cubic root of 7989601340 is about 1999.1330692699.

The spelling of 7989601340 in words is "seven billion, nine hundred eighty-nine million, six hundred one thousand, three hundred forty".