677538164 has 12 divisors (see below), whose sum is σ = 1193650500. Its totient is φ = 336495168.

The previous prime is 677538149. The next prime is 677538227. The reversal of 677538164 is 461835776.

It can be written as a sum of positive squares in 2 ways, for example, as 125664100 + 551874064 = 11210^2 + 23492^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 567809 + ... + 569000.

It is an arithmetic number, because the mean of its divisors is an integer number (99470875).

Almost surely, 2^677538164 is an apocalyptic number.

It is an amenable number.

677538164 is a deficient number, since it is larger than the sum of its proper divisors (516112336).

677538164 is a wasteful number, since it uses less digits than its factorization.

677538164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136962 (or 1136960 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 677538164 is about 26029.5632694826. The cubic root of 677538164 is about 878.3034479168.

The spelling of 677538164 in words is "six hundred seventy-seven million, five hundred thirty-eight thousand, one hundred sixty-four".