808755648 has 56 divisors (see below), whose sum is σ = 2159885952. Its totient is φ = 267058944.

The previous prime is 808755643. The next prime is 808755659. The reversal of 808755648 is 846557808.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 808755648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808755641) 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, 861 + ... + 40227.

It is an arithmetic number, because the mean of its divisors is an integer number (38569392).

Almost surely, 2^808755648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808755648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079942976).

808755648 is an abundant number, since it is smaller than the sum of its proper divisors (1351130304).

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

808755648 is a wasteful number, since it uses less digits than its factorization.

808755648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39489 (or 39479 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 51.

The square root of 808755648 is about 28438.6295028435. The cubic root of 808755648 is about 931.6921625734.

The spelling of 808755648 in words is "eight hundred eight million, seven hundred fifty-five thousand, six hundred forty-eight".