677163853 has 4 divisors (see below), whose sum is σ = 680672668. Its totient is φ = 673655040.

The previous prime is 677163847. The next prime is 677163859. The reversal of 677163853 is 358361776.

677163853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (677163847) and next prime (677163859).

It can be written as a sum of positive squares in 2 ways, for example, as 174821284 + 502342569 = 13222^2 + 22413^2 .

It is a cyclic number.

It is not a de Polignac number, because 677163853 - 2⁵ = 677163821 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 (677163859) 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, 1754118 + ... + 1754503.

It is an arithmetic number, because the mean of its divisors is an integer number (170168167).

Almost surely, 2^677163853 is an apocalyptic number.

It is an amenable number.

677163853 is a deficient number, since it is larger than the sum of its proper divisors (3508815).

677163853 is a wasteful number, since it uses less digits than its factorization.

677163853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508814.

The product of its digits is 635040, while the sum is 46.

The square root of 677163853 is about 26022.3721631983. The cubic root of 677163853 is about 878.1416763642.

The spelling of 677163853 in words is "six hundred seventy-seven million, one hundred sixty-three thousand, eight hundred fifty-three".