8478194958 has 24 divisors (see below), whose sum is σ = 18482124648. Its totient is φ = 2808726192.

The previous prime is 8478194957. The next prime is 8478194981. The reversal of 8478194958 is 8594918748.

It is a junction number, because it is equal to n+sod(n) for n = 8478194895 and 8478194904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478194951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1441885 + ... + 1447752.

It is an arithmetic number, because the mean of its divisors is an integer number (770088527).

Almost surely, 2^8478194958 is an apocalyptic number.

8478194958 is an abundant number, since it is smaller than the sum of its proper divisors (10003929690).

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

8478194958 is a wasteful number, since it uses less digits than its factorization.

8478194958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889808 (or 2889805 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The square root of 8478194958 is about 92077.1141923985. The cubic root of 8478194958 is about 2039.0809455859.

The spelling of 8478194958 in words is "eight billion, four hundred seventy-eight million, one hundred ninety-four thousand, nine hundred fifty-eight".