788822617921 has 8 divisors (see below), whose sum is σ = 849508297344. Its totient is φ = 728137940880.

The previous prime is 788822617909. The next prime is 788822617943. The reversal of 788822617921 is 129716228887.

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

It is a cyclic number.

It is not a de Polignac number, because 788822617921 - 2²⁷ = 788688400193 is a prime.

It is a super-2 number, since 2×788822617921² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 788822617921.

It is not an unprimeable number, because it can be changed into a prime (788822617901) 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, 2511336 + ... + 2807926.

It is an arithmetic number, because the mean of its divisors is an integer number (106188537168).

Almost surely, 2^788822617921 is an apocalyptic number.

It is an amenable number.

788822617921 is a deficient number, since it is larger than the sum of its proper divisors (60685679423).

788822617921 is a wasteful number, since it uses less digits than its factorization.

788822617921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501191.

The product of its digits is 10838016, while the sum is 61.

The spelling of 788822617921 in words is "seven hundred eighty-eight billion, eight hundred twenty-two million, six hundred seventeen thousand, nine hundred twenty-one".