677039405696 has 64 divisors (see below), whose sum is σ = 1358770870080. Its totient is φ = 336023482368.

The previous prime is 677039405671. The next prime is 677039405839. The reversal of 677039405696 is 696504930776.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9757301 + ... + 9826443.

It is an arithmetic number, because the mean of its divisors is an integer number (21230794845).

Almost surely, 2^677039405696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677039405696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679385435040).

677039405696 is an abundant number, since it is smaller than the sum of its proper divisors (681731464384).

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

677039405696 is a wasteful number, since it uses less digits than its factorization.

677039405696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69721 (or 69709 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 62.

The spelling of 677039405696 in words is "six hundred seventy-seven billion, thirty-nine million, four hundred five thousand, six hundred ninety-six".