677694619284 has 12 divisors (see below), whose sum is σ = 1581287445024. Its totient is φ = 225898206424.

The previous prime is 677694619253. The next prime is 677694619331. The reversal of 677694619284 is 482916496776.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 28237275792 + ... + 28237275815.

It is an arithmetic number, because the mean of its divisors is an integer number (131773953752).

Almost surely, 2^677694619284 is an apocalyptic number.

It is an amenable number.

677694619284 is an abundant number, since it is smaller than the sum of its proper divisors (903592825740).

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

677694619284 is a wasteful number, since it uses less digits than its factorization.

677694619284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56474551614 (or 56474551612 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 69.

The spelling of 677694619284 in words is "six hundred seventy-seven billion, six hundred ninety-four million, six hundred nineteen thousand, two hundred eighty-four".