8693084721 has 16 divisors (see below), whose sum is σ = 11818425600. Its totient is φ = 5682086928.

The previous prime is 8693084717. The next prime is 8693084749. The reversal of 8693084721 is 1274803968.

It is not a de Polignac number, because 8693084721 - 2² = 8693084717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8693084021) 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, 2290 + ... + 131876.

It is an arithmetic number, because the mean of its divisors is an integer number (738651600).

Almost surely, 2^8693084721 is an apocalyptic number.

It is an amenable number.

8693084721 is a deficient number, since it is larger than the sum of its proper divisors (3125340879).

8693084721 is a wasteful number, since it uses less digits than its factorization.

8693084721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130028.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 8693084721 is about 93236.7133751507. The cubic root of 8693084721 is about 2056.1650397961.

The spelling of 8693084721 in words is "eight billion, six hundred ninety-three million, eighty-four thousand, seven hundred twenty-one".