801078536 has 16 divisors (see below), whose sum is σ = 1502509500. Its totient is φ = 400409344.

The previous prime is 801078497. The next prime is 801078557. The reversal of 801078536 is 635870108.

It can be written as a sum of positive squares in 2 ways, for example, as 660181636 + 140896900 = 25694^2 + 11870^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 801078536.

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 3 ways as a sum of consecutive naturals, for example, 13076 + ... + 42108.

Almost surely, 2^801078536 is an apocalyptic number.

It is an amenable number.

801078536 is a deficient number, since it is larger than the sum of its proper divisors (701430964).

801078536 is a wasteful number, since it uses less digits than its factorization.

801078536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32488 (or 32484 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 801078536 is about 28303.3308287205. The cubic root of 801078536 is about 928.7347561090.

The spelling of 801078536 in words is "eight hundred one million, seventy-eight thousand, five hundred thirty-six".