677741073438 has 32 divisors (see below), whose sum is σ = 1592454552192. Its totient is φ = 189577922400.

The previous prime is 677741073437. The next prime is 677741073521. The reversal of 677741073438 is 834370147776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677741073431) 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 15 ways as a sum of consecutive naturals, for example, 394953148 + ... + 394954863.

It is an arithmetic number, because the mean of its divisors is an integer number (49764204756).

Almost surely, 2^677741073438 is an apocalyptic number.

677741073438 is an abundant number, since it is smaller than the sum of its proper divisors (914713478754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677741073438 is a wasteful number, since it uses less digits than its factorization.

677741073438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789908040.

The product of its (nonzero) digits is 16595712, while the sum is 57.

The spelling of 677741073438 in words is "six hundred seventy-seven billion, seven hundred forty-one million, seventy-three thousand, four hundred thirty-eight".