677785738 has 48 divisors (see below), whose sum is σ = 1241049600. Its totient is φ = 276430560.

The previous prime is 677785679. The next prime is 677785739. The reversal of 677785738 is 837587776.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (677785739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200103 + ... + 203461.

It is an arithmetic number, because the mean of its divisors is an integer number (25855200).

Almost surely, 2^677785738 is an apocalyptic number.

677785738 is a deficient number, since it is larger than the sum of its proper divisors (563263862).

677785738 is a wasteful number, since it uses less digits than its factorization.

677785738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475 (or 3468 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 58.

The square root of 677785738 is about 26034.3184662092. The cubic root of 677785738 is about 878.4104129213.

The spelling of 677785738 in words is "six hundred seventy-seven million, seven hundred eighty-five thousand, seven hundred thirty-eight".