7979935563 has 48 divisors (see below), whose sum is σ = 12114272352. Its totient is φ = 5248800000.

The previous prime is 7979935547. The next prime is 7979935591. The reversal of 7979935563 is 3655399797.

7979935563 is a `hidden beast` number, since 7 + 9 + 79 + 9 + 3 + 556 + 3 = 666.

It is not a de Polignac number, because 7979935563 - 2⁴ = 7979935547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7979935563.

It is not an unprimeable number, because it can be changed into a prime (7979935543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13277463 + ... + 13278063.

It is an arithmetic number, because the mean of its divisors is an integer number (252380674).

Almost surely, 2^7979935563 is an apocalyptic number.

7979935563 is a deficient number, since it is larger than the sum of its proper divisors (4134336789).

7979935563 is a wasteful number, since it uses less digits than its factorization.

7979935563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 1246 counting only the distinct ones).

The product of its digits is 48223350, while the sum is 63.

The square root of 7979935563 is about 89330.4850708872. The cubic root of 7979935563 is about 1998.3265637795.

The spelling of 7979935563 in words is "seven billion, nine hundred seventy-nine million, nine hundred thirty-five thousand, five hundred sixty-three".