801219287 has 12 divisors (see below), whose sum is σ = 882077280. Its totient is φ = 727224960.

The previous prime is 801219281. The next prime is 801219313. The reversal of 801219287 is 782912108.

It is not a de Polignac number, because 801219287 - 2¹⁰ = 801218263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 801219287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801219281) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 76514 + ... + 86352.

It is an arithmetic number, because the mean of its divisors is an integer number (73506440).

Almost surely, 2^801219287 is an apocalyptic number.

801219287 is a deficient number, since it is larger than the sum of its proper divisors (80857993).

801219287 is a wasteful number, since it uses less digits than its factorization.

801219287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534 (or 10523 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 801219287 is about 28305.8171936441. The cubic root of 801219287 is about 928.7891464027.

The spelling of 801219287 in words is "eight hundred one million, two hundred nineteen thousand, two hundred eighty-seven".