677479831076 has 12 divisors (see below), whose sum is σ = 1185597656460. Its totient is φ = 338737643520.

The previous prime is 677479831057. The next prime is 677479831081. The reversal of 677479831076 is 670138974776.

It can be written as a sum of positive squares in 2 ways, for example, as 606803608576 + 70676222500 = 778976^2 + 265850^2 .

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, 226340 + ... + 1185828.

It is an arithmetic number, because the mean of its divisors is an integer number (98799804705).

Almost surely, 2^677479831076 is an apocalyptic number.

It is an amenable number.

677479831076 is a deficient number, since it is larger than the sum of its proper divisors (508117825384).

677479831076 is a wasteful number, since it uses less digits than its factorization.

677479831076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136014 (or 1136012 counting only the distinct ones).

The product of its (nonzero) digits is 74680704, while the sum is 65.

The spelling of 677479831076 in words is "six hundred seventy-seven billion, four hundred seventy-nine million, eight hundred thirty-one thousand, seventy-six".