805281064 has 32 divisors (see below), whose sum is σ = 1726560000. Its totient is φ = 344928960.

The previous prime is 805281013. The next prime is 805281073. The reversal of 805281064 is 460182508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151329 + ... + 156559.

It is an arithmetic number, because the mean of its divisors is an integer number (53955000).

Almost surely, 2^805281064 is an apocalyptic number.

It is an amenable number.

805281064 is an abundant number, since it is smaller than the sum of its proper divisors (921278936).

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

805281064 is a wasteful number, since it uses less digits than its factorization.

805281064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7993 (or 7989 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 805281064 is about 28377.4745881306. The cubic root of 805281064 is about 930.3559989069.

The spelling of 805281064 in words is "eight hundred five million, two hundred eighty-one thousand, sixty-four".