677686473 has 8 divisors (see below), whose sum is σ = 1003980000. Its totient is φ = 451790964.

The previous prime is 677686459. The next prime is 677686483. The reversal of 677686473 is 374686776.

It is not a de Polignac number, because 677686473 - 2¹⁷ = 677555401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (677686403) 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 7 ways as a sum of consecutive naturals, for example, 12549723 + ... + 12549776.

It is an arithmetic number, because the mean of its divisors is an integer number (125497500).

Almost surely, 2^677686473 is an apocalyptic number.

It is an amenable number.

677686473 is a deficient number, since it is larger than the sum of its proper divisors (326293527).

677686473 is a wasteful number, since it uses less digits than its factorization.

677686473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25099508 (or 25099502 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 54.

The square root of 677686473 is about 26032.4119704648. The cubic root of 677686473 is about 878.3675283429.

The spelling of 677686473 in words is "six hundred seventy-seven million, six hundred eighty-six thousand, four hundred seventy-three".