677840086 has 32 divisors (see below), whose sum is σ = 1334373120. Its totient is φ = 250192800.

The previous prime is 677840077. The next prime is 677840117. The reversal of 677840086 is 680048776.

It is a super-4 number, since 4×677840086⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112905 + ... + 118756.

It is an arithmetic number, because the mean of its divisors is an integer number (41699160).

Almost surely, 2^677840086 is an apocalyptic number.

677840086 is a deficient number, since it is larger than the sum of its proper divisors (656533034).

677840086 is a wasteful number, since it uses less digits than its factorization.

677840086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231700.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 677840086 is about 26035.3622214096. The cubic root of 677840086 is about 878.4338906323.

It can be divided in two parts, 6778 and 40086, that added together give a palindrome (46864).

The spelling of 677840086 in words is "six hundred seventy-seven million, eight hundred forty thousand, eighty-six".