677505356 has 12 divisors (see below), whose sum is σ = 1293419400. Its totient is φ = 307956960.

The previous prime is 677505349. The next prime is 677505371. The reversal of 677505356 is 653505776.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 15397849 = 677505356 / (6 + 7 + 7 + 5 + 0 + 5 + 3 + 5 + 6).

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, 7698881 + ... + 7698968.

It is an arithmetic number, because the mean of its divisors is an integer number (107784950).

Almost surely, 2^677505356 is an apocalyptic number.

It is an amenable number.

677505356 is a deficient number, since it is larger than the sum of its proper divisors (615914044).

677505356 is a wasteful number, since it uses less digits than its factorization.

677505356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15397864 (or 15397862 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 44.

The square root of 677505356 is about 26028.9330553521. The cubic root of 677505356 is about 878.2892711780.

The spelling of 677505356 in words is "six hundred seventy-seven million, five hundred five thousand, three hundred fifty-six".