6978948198 has 16 divisors (see below), whose sum is σ = 13959279936. Its totient is φ = 2326085480.

The previous prime is 6978948181. The next prime is 6978948199. The reversal of 6978948198 is 8918498796.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6978948199) 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, 14965 + ... + 119087.

It is an arithmetic number, because the mean of its divisors is an integer number (872454996).

Almost surely, 2^6978948198 is an apocalyptic number.

6978948198 is an abundant number, since it is smaller than the sum of its proper divisors (6980331738).

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

6978948198 is a wasteful number, since it uses less digits than its factorization.

6978948198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115299.

The product of its digits is 62705664, while the sum is 69.

The square root of 6978948198 is about 83540.0993415737. The cubic root of 6978948198 is about 1911.0116072452.

The spelling of 6978948198 in words is "six billion, nine hundred seventy-eight million, nine hundred forty-eight thousand, one hundred ninety-eight".