801449678 has 16 divisors (see below), whose sum is σ = 1266000000. Its totient is φ = 379468152.

The previous prime is 801449669. The next prime is 801449681. The reversal of 801449678 is 876944108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157823 + ... + 162821.

It is an arithmetic number, because the mean of its divisors is an integer number (79125000).

Almost surely, 2^801449678 is an apocalyptic number.

801449678 is a deficient number, since it is larger than the sum of its proper divisors (464550322).

801449678 is a wasteful number, since it uses less digits than its factorization.

801449678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9239.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 801449678 is about 28309.8865769540. The cubic root of 801449678 is about 928.8781624629.

The spelling of 801449678 in words is "eight hundred one million, four hundred forty-nine thousand, six hundred seventy-eight".