677488553 has 6 divisors (see below), whose sum is σ = 788098986. Its totient is φ = 580704432.

The previous prime is 677488549. The next prime is 677488571. The reversal of 677488553 is 355884776.

It can be written as a sum of positive squares in only one way, i.e., 475763344 + 201725209 = 21812^2 + 14203^2 .

It is not a de Polignac number, because 677488553 - 2² = 677488549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677488495 and 677488504.

It is not an unprimeable number, because it can be changed into a prime (677488853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6913100 + ... + 6913197.

It is an arithmetic number, because the mean of its divisors is an integer number (131349831).

Almost surely, 2^677488553 is an apocalyptic number.

It is an amenable number.

677488553 is a deficient number, since it is larger than the sum of its proper divisors (110610433).

677488553 is a wasteful number, since it uses less digits than its factorization.

677488553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13826311 (or 13826304 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 53.

The square root of 677488553 is about 26028.6102779230. The cubic root of 677488553 is about 878.2820102186.

The spelling of 677488553 in words is "six hundred seventy-seven million, four hundred eighty-eight thousand, five hundred fifty-three".