794025666721 has 8 divisors (see below), whose sum is σ = 909478972800. Its totient is φ = 679077627648.

The previous prime is 794025666719. The next prime is 794025666727. The reversal of 794025666721 is 127666520497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 794025666721 - 2¹ = 794025666719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (794025666727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126313381 + ... + 126319666.

It is an arithmetic number, because the mean of its divisors is an integer number (113684871600).

Almost surely, 2^794025666721 is an apocalyptic number.

It is an amenable number.

794025666721 is a deficient number, since it is larger than the sum of its proper divisors (115453306079).

794025666721 is a wasteful number, since it uses less digits than its factorization.

794025666721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252633503.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 794025666721 in words is "seven hundred ninety-four billion, twenty-five million, six hundred sixty-six thousand, seven hundred twenty-one".