801278385 has 16 divisors (see below), whose sum is σ = 1284733440. Its totient is φ = 426452480.

The previous prime is 801278353. The next prime is 801278407. The reversal of 801278385 is 583872108.

It is a happy number.

801278385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 801278385 - 2⁵ = 801278353 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48576 + ... + 62945.

It is an arithmetic number, because the mean of its divisors is an integer number (80295840).

Almost surely, 2^801278385 is an apocalyptic number.

It is an amenable number.

801278385 is a deficient number, since it is larger than the sum of its proper divisors (483455055).

801278385 is a wasteful number, since it uses less digits than its factorization.

801278385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112008.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 801278385 is about 28306.8610940881. The cubic root of 801278385 is about 928.8119816956.

The spelling of 801278385 in words is "eight hundred one million, two hundred seventy-eight thousand, three hundred eighty-five".