Search a number
-
+
808080807 = 31272120947
BaseRepresentation
bin110000001010100…
…101010110100111
32002022112202110210
4300022211112213
53123332041212
6212103550503
726011400502
oct6012452647
92068482423
10808080807
11385160086
121a675b433
13cb552031
1479470139
154ae2153c
hex302a55a7

808080807 has 8 divisors (see below), whose sum is σ = 1085925376. Its totient is φ = 534478392.

The previous prime is 808080803. The next prime is 808080817. The reversal of 808080807 is 708080808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 808080807 - 22 = 808080803 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 (808080803) 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, 1060093 + ... + 1060854.

It is an arithmetic number, because the mean of its divisors is an integer number (135740672).

Almost surely, 2808080807 is an apocalyptic number.

808080807 is a deficient number, since it is larger than the sum of its proper divisors (277844569).

808080807 is a wasteful number, since it uses less digits than its factorization.

808080807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121077.

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 808080807 is about 28426.7621617377. The cubic root of 808080807 is about 931.4329499455.

Subtracting from 808080807 its reverse (708080808), we obtain a palindrome (99999999).

The spelling of 808080807 in words is "eight hundred eight million, eighty thousand, eight hundred seven".

Divisors: 1 3 127 381 2120947 6362841 269360269 808080807