6985378467 has 16 divisors (see below), whose sum is σ = 10455400480. Its totient is φ = 4608907776.

The previous prime is 6985378363. The next prime is 6985378471. The reversal of 6985378467 is 7648735896.

6985378467 is a `hidden beast` number, since 6 + 98 + 537 + 8 + 4 + 6 + 7 = 666.

It is not a de Polignac number, because 6985378467 - 2²⁴ = 6968601251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6985378667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1330978 + ... + 1336215.

It is an arithmetic number, because the mean of its divisors is an integer number (653462530).

Almost surely, 2^6985378467 is an apocalyptic number.

6985378467 is a deficient number, since it is larger than the sum of its proper divisors (3470022013).

6985378467 is a wasteful number, since it uses less digits than its factorization.

6985378467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667299 (or 2667293 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The square root of 6985378467 is about 83578.5766030985. The cubic root of 6985378467 is about 1911.5983502235.

The spelling of 6985378467 in words is "six billion, nine hundred eighty-five million, three hundred seventy-eight thousand, four hundred sixty-seven".