84709065 has 32 divisors (see below), whose sum is σ = 155796480. Its totient is φ = 38499264.

The previous prime is 84708997. The next prime is 84709067. The reversal of 84709065 is 56090748.

It is not a de Polignac number, because 84709065 - 2¹⁵ = 84676297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84709067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16542 + ... + 21048.

It is an arithmetic number, because the mean of its divisors is an integer number (4868640).

Almost surely, 2^84709065 is an apocalyptic number.

It is an amenable number.

84709065 is a deficient number, since it is larger than the sum of its proper divisors (71087415).

84709065 is a wasteful number, since it uses less digits than its factorization.

84709065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 84709065 is about 9203.7527672140. The cubic root of 84709065 is about 439.1807500081.

The spelling of 84709065 in words is "eighty-four million, seven hundred nine thousand, sixty-five".