84536677 has 4 divisors (see below), whose sum is σ = 84556620. Its totient is φ = 84516736.

The previous prime is 84536671. The next prime is 84536687. The reversal of 84536677 is 77663548.

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 28451556 + 56085121 = 5334^2 + 7489^2 .

It is a cyclic number.

It is not a de Polignac number, because 84536677 - 2¹⁹ = 84012389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84536671) 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, 802 + ... + 13027.

It is an arithmetic number, because the mean of its divisors is an integer number (21139155).

Almost surely, 2^84536677 is an apocalyptic number.

It is an amenable number.

84536677 is a deficient number, since it is larger than the sum of its proper divisors (19943).

84536677 is a wasteful number, since it uses less digits than its factorization.

84536677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19942.

The product of its digits is 846720, while the sum is 46.

The square root of 84536677 is about 9194.3829047957. The cubic root of 84536677 is about 438.8826280104.

The spelling of 84536677 in words is "eighty-four million, five hundred thirty-six thousand, six hundred seventy-seven".