677716873240 has 64 divisors (see below), whose sum is σ = 1663601483520. Its totient is φ = 246425520000.

The previous prime is 677716873201. The next prime is 677716873243. The reversal of 677716873240 is 42378617776.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677716873243) 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, 7590055 + ... + 7678825.

It is an arithmetic number, because the mean of its divisors is an integer number (25993773180).

Almost surely, 2^677716873240 is an apocalyptic number.

It is an amenable number.

677716873240 is an abundant number, since it is smaller than the sum of its proper divisors (985884610280).

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

677716873240 is a wasteful number, since it uses less digits than its factorization.

677716873240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106144 (or 106140 counting only the distinct ones).

The product of its (nonzero) digits is 16595712, while the sum is 58.

The spelling of 677716873240 in words is "six hundred seventy-seven billion, seven hundred sixteen million, eight hundred seventy-three thousand, two hundred forty".