677356461 has 12 divisors (see below), whose sum is σ = 980588700. Its totient is φ = 450562560.

The previous prime is 677356457. The next prime is 677356469. The reversal of 677356461 is 164653776.

It can be written as a sum of positive squares in 2 ways, for example, as 128391561 + 548964900 = 11331^2 + 23430^2 .

It is not a de Polignac number, because 677356461 - 2² = 677356457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677356469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79770 + ... + 87851.

It is an arithmetic number, because the mean of its divisors is an integer number (81715725).

Almost surely, 2^677356461 is an apocalyptic number.

It is an amenable number.

677356461 is a deficient number, since it is larger than the sum of its proper divisors (303232239).

677356461 is a wasteful number, since it uses less digits than its factorization.

677356461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168076 (or 168073 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 677356461 is about 26026.0727156442. The cubic root of 677356461 is about 878.2249260719.

The spelling of 677356461 in words is "six hundred seventy-seven million, three hundred fifty-six thousand, four hundred sixty-one".