677276660720 has 40 divisors (see below), whose sum is σ = 1717819896240. Its totient is φ = 246282421760.

The previous prime is 677276660713. The next prime is 677276660743. The reversal of 677276660720 is 27066672776.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 384815405 + ... + 384817164.

It is an arithmetic number, because the mean of its divisors is an integer number (42945497406).

Almost surely, 2^677276660720 is an apocalyptic number.

It is an amenable number.

677276660720 is an abundant number, since it is smaller than the sum of its proper divisors (1040543235520).

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

677276660720 is a wasteful number, since it uses less digits than its factorization.

677276660720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769632593 (or 769632587 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 56.

The spelling of 677276660720 in words is "six hundred seventy-seven billion, two hundred seventy-six million, six hundred sixty thousand, seven hundred twenty".