84280671 has 12 divisors (see below), whose sum is σ = 127032048. Its totient is φ = 53744064.

The previous prime is 84280663. The next prime is 84280687. The reversal of 84280671 is 17608248.

It is not a de Polignac number, because 84280671 - 2³ = 84280663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84280631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203370 + ... + 203783.

It is an arithmetic number, because the mean of its divisors is an integer number (10586004).

Almost surely, 2^84280671 is an apocalyptic number.

84280671 is a deficient number, since it is larger than the sum of its proper divisors (42751377).

84280671 is a wasteful number, since it uses less digits than its factorization.

84280671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407182 (or 407179 counting only the distinct ones).

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

The square root of 84280671 is about 9180.4504791432. The cubic root of 84280671 is about 438.4391510908.

The spelling of 84280671 in words is "eighty-four million, two hundred eighty thousand, six hundred seventy-one".