677271306342 has 16 divisors (see below), whose sum is σ = 1354550812272. Its totient is φ = 225755735520.

The previous prime is 677271306311. The next prime is 677271306343. The reversal of 677271306342 is 243603172776.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 677271306291 and 677271306300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677271306343) 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, 1475992 + ... + 1879652.

It is an arithmetic number, because the mean of its divisors is an integer number (84659425767).

Almost surely, 2^677271306342 is an apocalyptic number.

677271306342 is an abundant number, since it is smaller than the sum of its proper divisors (677279505930).

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

677271306342 is a wasteful number, since it uses less digits than its factorization.

677271306342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683303.

The product of its (nonzero) digits is 1778112, while the sum is 48.

The spelling of 677271306342 in words is "six hundred seventy-seven billion, two hundred seventy-one million, three hundred six thousand, three hundred forty-two".