677363654808 has 48 divisors (see below), whose sum is σ = 1865620247400. Its totient is φ = 221960970240.

The previous prime is 677363654783. The next prime is 677363654827. The reversal of 677363654808 is 808456363776.

677363654808 is a `hidden beast` number, since 67 + 7 + 36 + 3 + 65 + 480 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79723113 + ... + 79731608.

Almost surely, 2^677363654808 is an apocalyptic number.

It is an amenable number.

677363654808 is an abundant number, since it is smaller than the sum of its proper divisors (1188256592592).

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

677363654808 is a wasteful number, since it uses less digits than its factorization.

677363654808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159454792 (or 159454785 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 63.

The spelling of 677363654808 in words is "six hundred seventy-seven billion, three hundred sixty-three million, six hundred fifty-four thousand, eight hundred eight".