7989985463 has 8 divisors (see below), whose sum is σ = 8008418880. Its totient is φ = 7971575040.

The previous prime is 7989985459. The next prime is 7989985483. The reversal of 7989985463 is 3645899897.

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 7989985463 - 2² = 7989985459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7989985393 and 7989985402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7989985483) 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, 820658 + ... + 830336.

It is an arithmetic number, because the mean of its divisors is an integer number (1001052360).

Almost surely, 2^7989985463 is an apocalyptic number.

7989985463 is a deficient number, since it is larger than the sum of its proper divisors (18433417).

7989985463 is an equidigital number, since it uses as much as digits as its factorization.

7989985463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11497.

The product of its digits is 117573120, while the sum is 68.

The square root of 7989985463 is about 89386.7186051709. The cubic root of 7989985463 is about 1999.1651067751.

The spelling of 7989985463 in words is "seven billion, nine hundred eighty-nine million, nine hundred eighty-five thousand, four hundred sixty-three".