1677475849 has 9 divisors (see below), whose sum is σ = 1951683021. Its totient is φ = 1437590700.

The previous prime is 1677475841. The next prime is 1677475853. The reversal of 1677475849 is 9485747761.

It is a happy number.

The square root of 1677475849 is 40957.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1677475849 - 2³ = 1677475841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1677475793 and 1677475802.

It is not an unprimeable number, because it can be changed into a prime (1677475841) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 283774 + ... + 289624.

It is an arithmetic number, because the mean of its divisors is an integer number (216853669).

Almost surely, 2^1677475849 is an apocalyptic number.

1677475849 is the 40957-th square number.

1677475849 is the 20479-th centered octagonal number.

It is an amenable number.

1677475849 is a deficient number, since it is larger than the sum of its proper divisors (274207172).

1677475849 is an frugal number, since it uses more digits than its factorization.

1677475849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11716 (or 5858 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 58.

The cubic root of 1677475849 is about 1188.1887208362.

The spelling of 1677475849 in words is "one billion, six hundred seventy-seven million, four hundred seventy-five thousand, eight hundred forty-nine".