808902009270 has 48 divisors (see below), whose sum is σ = 2108636554752. Its totient is φ = 215143989120.

The previous prime is 808902009241. The next prime is 808902009319. The reversal of 808902009270 is 72900209808.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11698951 + ... + 11767890.

It is an arithmetic number, because the mean of its divisors is an integer number (43929928224).

Almost surely, 2^808902009270 is an apocalyptic number.

808902009270 is an abundant number, since it is smaller than the sum of its proper divisors (1299734545482).

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

808902009270 is a wasteful number, since it uses less digits than its factorization.

808902009270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23467237 (or 23467234 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 808902009270 in words is "eight hundred eight billion, nine hundred two million, nine thousand, two hundred seventy".