677140053647 has 8 divisors (see below), whose sum is σ = 717874722432. Its totient is φ = 637586100000.

The previous prime is 677140053643. The next prime is 677140053649. The reversal of 677140053647 is 746350041776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677140053647 - 2² = 677140053643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677140053595 and 677140053604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677140053643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295177604 + ... + 295179897.

It is an arithmetic number, because the mean of its divisors is an integer number (89734340304).

Almost surely, 2^677140053647 is an apocalyptic number.

677140053647 is a deficient number, since it is larger than the sum of its proper divisors (40734668785).

677140053647 is a wasteful number, since it uses less digits than its factorization.

677140053647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590357569.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 677140053647 in words is "six hundred seventy-seven billion, one hundred forty million, fifty-three thousand, six hundred forty-seven".