794885721 has 16 divisors (see below), whose sum is σ = 1216288128. Its totient is φ = 452332800.

The previous prime is 794885719. The next prime is 794885743. The reversal of 794885721 is 127588497.

It is not a de Polignac number, because 794885721 - 2¹ = 794885719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (794883721) 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, 73470 + ... + 83591.

It is an arithmetic number, because the mean of its divisors is an integer number (76018008).

Almost surely, 2^794885721 is an apocalyptic number.

It is an amenable number.

794885721 is a deficient number, since it is larger than the sum of its proper divisors (421402407).

794885721 is a wasteful number, since it uses less digits than its factorization.

794885721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157312.

The product of its digits is 1128960, while the sum is 51.

The square root of 794885721 is about 28193.7177576850. The cubic root of 794885721 is about 926.3353378878.

The spelling of 794885721 in words is "seven hundred ninety-four million, eight hundred eighty-five thousand, seven hundred twenty-one".