677801206550 has 96 divisors (see below), whose sum is σ = 1408754000640. Its totient is φ = 240935731200.

The previous prime is 677801206543. The next prime is 677801206567. The reversal of 677801206550 is 55602108776.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 677801206495 and 677801206504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3801806 + ... + 3976094.

It is an arithmetic number, because the mean of its divisors is an integer number (14674520840).

Almost surely, 2^677801206550 is an apocalyptic number.

677801206550 is an abundant number, since it is smaller than the sum of its proper divisors (730952794090).

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

677801206550 is a wasteful number, since it uses less digits than its factorization.

677801206550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174538 (or 174533 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 677801206550 in words is "six hundred seventy-seven billion, eight hundred one million, two hundred six thousand, five hundred fifty".