677399224544 has 24 divisors (see below), whose sum is σ = 1524148255728. Its totient is φ = 290313953280.

The previous prime is 677399224543. The next prime is 677399224597. The reversal of 677399224544 is 445422993776.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677399224543) 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, 1512051617 + ... + 1512052064.

It is an arithmetic number, because the mean of its divisors is an integer number (63506177322).

Almost surely, 2^677399224544 is an apocalyptic number.

It is an amenable number.

677399224544 is an abundant number, since it is smaller than the sum of its proper divisors (846749031184).

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

677399224544 is a wasteful number, since it uses less digits than its factorization.

677399224544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024103698 (or 3024103690 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 62.

The spelling of 677399224544 in words is "six hundred seventy-seven billion, three hundred ninety-nine million, two hundred twenty-four thousand, five hundred forty-four".