823380680887 has 8 divisors (see below), whose sum is σ = 824872878000. Its totient is φ = 821888643264.

The previous prime is 823380680867. The next prime is 823380680911. The reversal of 823380680887 is 788086083328.

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 823380680887 - 2¹¹ = 823380678839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823380680867) 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, 16263489 + ... + 16314037.

It is an arithmetic number, because the mean of its divisors is an integer number (103109109750).

Almost surely, 2^823380680887 is an apocalyptic number.

823380680887 is a deficient number, since it is larger than the sum of its proper divisors (1492197113).

823380680887 is a wasteful number, since it uses less digits than its factorization.

823380680887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79745.

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 823380680887 in words is "eight hundred twenty-three billion, three hundred eighty million, six hundred eighty thousand, eight hundred eighty-seven".