84257411 has 12 divisors (see below), whose sum is σ = 101177280. Its totient is φ = 69889680.

The previous prime is 84257387. The next prime is 84257413. The reversal of 84257411 is 11475248.

It is a happy number.

It is not a de Polignac number, because 84257411 - 2¹⁰ = 84256387 is a prime.

It is a super-2 number, since 2×84257411² = 14198622616845842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84257413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26216 + ... + 29253.

It is an arithmetic number, because the mean of its divisors is an integer number (8431440).

Almost surely, 2^84257411 is an apocalyptic number.

84257411 is a deficient number, since it is larger than the sum of its proper divisors (16919869).

84257411 is a wasteful number, since it uses less digits than its factorization.

84257411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55514 (or 55507 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 84257411 is about 9179.1835693595. The cubic root of 84257411 is about 438.3988135185.

The spelling of 84257411 in words is "eighty-four million, two hundred fifty-seven thousand, four hundred eleven".