84031288571 has 2 divisors, whose sum is σ = 84031288572. Its totient is φ = 84031288570.

The previous prime is 84031288567. The next prime is 84031288573. The reversal of 84031288571 is 17588213048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84031288571 - 2² = 84031288567 is a prime.

It is a super-2 number, since 2×84031288571² (a number of 23 digits) contains 22 as substring.

Together with 84031288573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84031288573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42015644285 + 42015644286.

It is an arithmetic number, because the mean of its divisors is an integer number (42015644286).

Almost surely, 2^84031288571 is an apocalyptic number.

84031288571 is a deficient number, since it is larger than the sum of its proper divisors (1).

84031288571 is an equidigital number, since it uses as much as digits as its factorization.

84031288571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 84031288571 in words is "eighty-four billion, thirty-one million, two hundred eighty-eight thousand, five hundred seventy-one".