823840080580 has 24 divisors (see below), whose sum is σ = 1887342730560. Its totient is φ = 299578211040.

The previous prime is 823840080533. The next prime is 823840080631. The reversal of 823840080580 is 85080048328.

It is a happy number.

It is a super-3 number, since 3×823840080580³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 823840080580.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872363600 + ... + 1872364039.

It is an arithmetic number, because the mean of its divisors is an integer number (78639280440).

Almost surely, 2^823840080580 is an apocalyptic number.

It is an amenable number.

823840080580 is an abundant number, since it is smaller than the sum of its proper divisors (1063502649980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823840080580 is a wasteful number, since it uses less digits than its factorization.

823840080580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744727659 (or 3744727657 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 46.

The spelling of 823840080580 in words is "eight hundred twenty-three billion, eight hundred forty million, eighty thousand, five hundred eighty".