675197856 has 144 divisors (see below), whose sum is σ = 2056174848. Its totient is φ = 217728000.

The previous prime is 675197843. The next prime is 675197863. The reversal of 675197856 is 658791576.

675197856 is a `hidden beast` number, since 6 + 7 + 519 + 78 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239656 + ... + 242456.

It is an arithmetic number, because the mean of its divisors is an integer number (14278992).

Almost surely, 2^675197856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675197856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028087424).

675197856 is an abundant number, since it is smaller than the sum of its proper divisors (1380976992).

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

675197856 is a wasteful number, since it uses less digits than its factorization.

675197856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857 (or 2837 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 675197856 is about 25984.5695750382. The cubic root of 675197856 is about 877.2910218988.

The spelling of 675197856 in words is "six hundred seventy-five million, one hundred ninety-seven thousand, eight hundred fifty-six".