808825001982 has 160 divisors (see below), whose sum is σ = 1763089610400. Its totient is φ = 247202292480.

The previous prime is 808825001951. The next prime is 808825001983. The reversal of 808825001982 is 289100528808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808825001983) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5428355644 + ... + 5428355792.

It is an arithmetic number, because the mean of its divisors is an integer number (11019310065).

Almost surely, 2^808825001982 is an apocalyptic number.

808825001982 is an abundant number, since it is smaller than the sum of its proper divisors (954264608418).

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

808825001982 is an equidigital number, since it uses as much as digits as its factorization.

808825001982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 51.

The spelling of 808825001982 in words is "eight hundred eight billion, eight hundred twenty-five million, one thousand, nine hundred eighty-two".