8171401287 has 16 divisors (see below), whose sum is σ = 12452921600. Its totient is φ = 4668898752.

The previous prime is 8171401267. The next prime is 8171401309. The reversal of 8171401287 is 7821041718.

It is not a de Polignac number, because 8171401287 - 2⁶ = 8171401223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8171401267) 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 15 ways as a sum of consecutive naturals, for example, 403803 + ... + 423555.

It is an arithmetic number, because the mean of its divisors is an integer number (778307600).

Almost surely, 2^8171401287 is an apocalyptic number.

8171401287 is a deficient number, since it is larger than the sum of its proper divisors (4281520313).

8171401287 is a wasteful number, since it uses less digits than its factorization.

8171401287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39462.

The product of its (nonzero) digits is 25088, while the sum is 39.

The square root of 8171401287 is about 90395.8034811351. The cubic root of 8171401287 is about 2014.1826293628.

The spelling of 8171401287 in words is "eight billion, one hundred seventy-one million, four hundred one thousand, two hundred eighty-seven".