8420046287 has 16 divisors (see below), whose sum is σ = 8979628032. Its totient is φ = 7876841280.

The previous prime is 8420046277. The next prime is 8420046317. The reversal of 8420046287 is 7826400248.

It is not a de Polignac number, because 8420046287 - 2¹⁸ = 8419784143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8420046277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2481362 + ... + 2484752.

It is an arithmetic number, because the mean of its divisors is an integer number (561226752).

Almost surely, 2^8420046287 is an apocalyptic number.

8420046287 is a deficient number, since it is larger than the sum of its proper divisors (559581745).

8420046287 is a wasteful number, since it uses less digits than its factorization.

8420046287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758.

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 8420046287 is about 91760.8101914973. The cubic root of 8420046287 is about 2034.4084903354.

The spelling of 8420046287 in words is "eight billion, four hundred twenty million, forty-six thousand, two hundred eighty-seven".