84859508677 has 8 divisors (see below), whose sum is σ = 87163737696. Its totient is φ = 82585799472.

The previous prime is 84859508659. The next prime is 84859508681. The reversal of 84859508677 is 77680595848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84859508677 - 2¹¹ = 84859506629 is a prime.

It is a super-2 number, since 2×84859508677² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84859502677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7624318 + ... + 7635439.

It is an arithmetic number, because the mean of its divisors is an integer number (10895467212).

Almost surely, 2^84859508677 is an apocalyptic number.

It is an amenable number.

84859508677 is a deficient number, since it is larger than the sum of its proper divisors (2304229019).

84859508677 is a wasteful number, since it uses less digits than its factorization.

84859508677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15259907.

The product of its (nonzero) digits is 135475200, while the sum is 67.

The spelling of 84859508677 in words is "eighty-four billion, eight hundred fifty-nine million, five hundred eight thousand, six hundred seventy-seven".