84554685 has 40 divisors (see below), whose sum is σ = 160501176. Its totient is φ = 42439680.

The previous prime is 84554677. The next prime is 84554689. The reversal of 84554685 is 58645548.

It can be written as a sum of positive squares in 4 ways, for example, as 33489369 + 51065316 = 5787^2 + 7146^2 .

It is not a de Polignac number, because 84554685 - 2³ = 84554677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 84554685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84554689) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 745 + ... + 13025.

Almost surely, 2^84554685 is an apocalyptic number.

84554685 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

84554685 is a deficient number, since it is larger than the sum of its proper divisors (75946491).

84554685 is a wasteful number, since it uses less digits than its factorization.

84554685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12315 (or 12306 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 84554685 is about 9195.3621462126. The cubic root of 84554685 is about 438.9137893852.

The spelling of 84554685 in words is "eighty-four million, five hundred fifty-four thousand, six hundred eighty-five".