808689552 has 80 divisors (see below), whose sum is σ = 2399013120. Its totient is φ = 232156800.

The previous prime is 808689551. The next prime is 808689559. The reversal of 808689552 is 255986808.

It is a junction number, because it is equal to n+sod(n) for n = 808689495 and 808689504.

It is not an unprimeable number, because it can be changed into a prime (808689551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30274 + ... + 50337.

It is an arithmetic number, because the mean of its divisors is an integer number (29987664).

Almost surely, 2^808689552 is an apocalyptic number.

It is an amenable number.

808689552 is an abundant number, since it is smaller than the sum of its proper divisors (1590323568).

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

808689552 is a wasteful number, since it uses less digits than its factorization.

808689552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80652 (or 80646 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The square root of 808689552 is about 28437.4673977835. The cubic root of 808689552 is about 931.6667808638. Note that the first 3 decimals are identical.

The spelling of 808689552 in words is "eight hundred eight million, six hundred eighty-nine thousand, five hundred fifty-two".