84260871 has 16 divisors (see below), whose sum is σ = 124977120. Its totient is φ = 56108160.

The previous prime is 84260867. The next prime is 84260873. The reversal of 84260871 is 17806248.

84260871 is a `hidden beast` number, since 8 + 42 + 608 + 7 + 1 = 666.

It is not a de Polignac number, because 84260871 - 2² = 84260867 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84260873) 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 15 ways as a sum of consecutive naturals, for example, 35601 + ... + 37893.

It is an arithmetic number, because the mean of its divisors is an integer number (7811070).

Almost surely, 2^84260871 is an apocalyptic number.

84260871 is a deficient number, since it is larger than the sum of its proper divisors (40716249).

84260871 is a wasteful number, since it uses less digits than its factorization.

84260871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663 (or 3657 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 84260871 is about 9179.3720373455. The cubic root of 84260871 is about 438.4048143324.

The spelling of 84260871 in words is "eighty-four million, two hundred sixty thousand, eight hundred seventy-one".