677704853 has 4 divisors (see below), whose sum is σ = 774519840. Its totient is φ = 580889868.

The previous prime is 677704801. The next prime is 677704861. The reversal of 677704853 is 358407776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 677704853 - 2¹⁴ = 677688469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677704798 and 677704807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677704873) 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, 48407483 + ... + 48407496.

It is an arithmetic number, because the mean of its divisors is an integer number (193629960).

Almost surely, 2^677704853 is an apocalyptic number.

It is an amenable number.

677704853 is a deficient number, since it is larger than the sum of its proper divisors (96814987).

677704853 is an equidigital number, since it uses as much as digits as its factorization.

677704853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96814986.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 677704853 is about 26032.7649895281. The cubic root of 677704853 is about 878.3754692074.

The spelling of 677704853 in words is "six hundred seventy-seven million, seven hundred four thousand, eight hundred fifty-three".