84685064 has 8 divisors (see below), whose sum is σ = 158784510. Its totient is φ = 42342528.

The previous prime is 84685063. The next prime is 84685091. The reversal of 84685064 is 46058648.

It can be written as a sum of positive squares in only one way, i.e., 52852900 + 31832164 = 7270^2 + 5642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (84685063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5292809 + ... + 5292824.

Almost surely, 2^84685064 is an apocalyptic number.

It is an amenable number.

84685064 is a deficient number, since it is larger than the sum of its proper divisors (74099446).

84685064 is a wasteful number, since it uses less digits than its factorization.

84685064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585639 (or 10585635 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 84685064 is about 9202.4488045302. The cubic root of 84685064 is about 439.1392677384.

The spelling of 84685064 in words is "eighty-four million, six hundred eighty-five thousand, sixty-four".