84371065 has 4 divisors (see below), whose sum is σ = 101245284. Its totient is φ = 67496848.

The previous prime is 84371059. The next prime is 84371069. The reversal of 84371065 is 56017348.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62346816 + 22024249 = 7896^2 + 4693^2 .

It is a cyclic number.

It is not a de Polignac number, because 84371065 - 2⁵ = 84371033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84371065.

It is not an unprimeable number, because it can be changed into a prime (84371069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8437102 + ... + 8437111.

It is an arithmetic number, because the mean of its divisors is an integer number (25311321).

Almost surely, 2^84371065 is an apocalyptic number.

It is an amenable number.

84371065 is a deficient number, since it is larger than the sum of its proper divisors (16874219).

84371065 is a wasteful number, since it uses less digits than its factorization.

84371065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16874218.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 84371065 is about 9185.3723386698. The cubic root of 84371065 is about 438.5958422498.

It can be divided in two parts, 84 and 371065, that multiplied together give a triangular number (31169460 = T₇₈₉₅).

The spelling of 84371065 in words is "eighty-four million, three hundred seventy-one thousand, sixty-five".