677192940244 has 12 divisors (see below), whose sum is σ = 1188826094484. Its totient is φ = 337528341824.

The previous prime is 677192940233. The next prime is 677192940289. The reversal of 677192940244 is 442049291776.

It can be written as a sum of positive squares in 2 ways, for example, as 310850851600 + 366342088644 = 557540^2 + 605262^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267030649 + ... + 267033184.

It is an arithmetic number, because the mean of its divisors is an integer number (99068841207).

Almost surely, 2^677192940244 is an apocalyptic number.

It is an amenable number.

677192940244 is a deficient number, since it is larger than the sum of its proper divisors (511633154240).

677192940244 is a wasteful number, since it uses less digits than its factorization.

677192940244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534064154 (or 534064152 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 677192940244 in words is "six hundred seventy-seven billion, one hundred ninety-two million, nine hundred forty thousand, two hundred forty-four".