6994485558 has 24 divisors (see below), whose sum is σ = 15157761528. Its totient is φ = 2331027072.

The previous prime is 6994485539. The next prime is 6994485571. The reversal of 6994485558 is 8555844996.

6994485558 is a `hidden beast` number, since 6 + 99 + 448 + 55 + 58 = 666.

It is a super-3 number, since 3×6994485558³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6994485495 and 6994485504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59910 + ... + 132582.

It is an arithmetic number, because the mean of its divisors is an integer number (631573397).

Almost surely, 2^6994485558 is an apocalyptic number.

6994485558 is an abundant number, since it is smaller than the sum of its proper divisors (8163275970).

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

6994485558 is a wasteful number, since it uses less digits than its factorization.

6994485558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78028 (or 78025 counting only the distinct ones).

The product of its digits is 62208000, while the sum is 63.

The square root of 6994485558 is about 83633.0410663154. The cubic root of 6994485558 is about 1912.4287294728.

The spelling of 6994485558 in words is "six billion, nine hundred ninety-four million, four hundred eighty-five thousand, five hundred fifty-eight".