6985378466 has 16 divisors (see below), whose sum is σ = 11696449248. Its totient is φ = 3101330400.

The previous prime is 6985378363. The next prime is 6985378471. The reversal of 6985378466 is 6648735896.

It is a junction number, because it is equal to n+sod(n) for n = 6985378399 and 6985378408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3691115 + ... + 3693006.

It is an arithmetic number, because the mean of its divisors is an integer number (731028078).

Almost surely, 2^6985378466 is an apocalyptic number.

6985378466 is a deficient number, since it is larger than the sum of its proper divisors (4711070782).

6985378466 is a wasteful number, since it uses less digits than its factorization.

6985378466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7384177.

The product of its digits is 52254720, while the sum is 62.

The square root of 6985378466 is about 83578.5765971161. The cubic root of 6985378466 is about 1911.5983501323.

The spelling of 6985378466 in words is "six billion, nine hundred eighty-five million, three hundred seventy-eight thousand, four hundred sixty-six".