8193678201 has 10 divisors (see below), whose sum is σ = 12239939162. Its totient is φ = 5462452080.

The previous prime is 8193678167. The next prime is 8193678239. The reversal of 8193678201 is 1028763918.

8193678201 is a `hidden beast` number, since 81 + 9 + 367 + 8 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6670805625 + 1522872576 = 81675^2 + 39024^2 .

It is not a de Polignac number, because 8193678201 - 2⁶ = 8193678137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8193678901) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50578180 + ... + 50578341.

Almost surely, 2^8193678201 is an apocalyptic number.

8193678201 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8193678201 is a deficient number, since it is larger than the sum of its proper divisors (4046260961).

8193678201 is a wasteful number, since it uses less digits than its factorization.

8193678201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101156533 (or 101156524 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8193678201 is about 90518.9383554624. The cubic root of 8193678201 is about 2016.0113267327.

The spelling of 8193678201 in words is "eight billion, one hundred ninety-three million, six hundred seventy-eight thousand, two hundred one".