801056847 has 24 divisors (see below), whose sum is σ = 1161039616. Its totient is φ = 490912128.

The previous prime is 801056843. The next prime is 801056863. The reversal of 801056847 is 748650108.

It is not a de Polignac number, because 801056847 - 2² = 801056843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801056843) by changing a digit.

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, 26538 + ... + 48024.

Almost surely, 2^801056847 is an apocalyptic number.

801056847 is a deficient number, since it is larger than the sum of its proper divisors (359982769).

801056847 is a wasteful number, since it uses less digits than its factorization.

801056847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21567 (or 21550 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 801056847 is about 28302.9476733431. The cubic root of 801056847 is about 928.7263742800.

The spelling of 801056847 in words is "eight hundred one million, fifty-six thousand, eight hundred forty-seven".