677457744003640 has 16 divisors (see below), whose sum is σ = 1524279924008280. Its totient is φ = 270983097601440.

The previous prime is 677457744003581. The next prime is 677457744003647. The reversal of 677457744003640 is 46300447754776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677457744003647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8468221800006 + ... + 8468221800085.

Almost surely, 2^{677457744003640} is an apocalyptic number.

It is an amenable number.

677457744003640 is an abundant number, since it is smaller than the sum of its proper divisors (846822180004640).

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

677457744003640 is a wasteful number, since it uses less digits than its factorization.

677457744003640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16936443600102 (or 16936443600098 counting only the distinct ones).

The product of its (nonzero) digits is 331914240, while the sum is 64.

The spelling of 677457744003640 in words is "six hundred seventy-seven trillion, four hundred fifty-seven billion, seven hundred forty-four million, three thousand, six hundred forty".