677855558776 has 48 divisors (see below), whose sum is σ = 1410858844920. Its totient is φ = 305065464000.

The previous prime is 677855558773. The next prime is 677855558801.

It is a happy number.

677855558776 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677855558771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3368886 + ... + 3564421.

Almost surely, 2^677855558776 is an apocalyptic number.

It is an amenable number.

677855558776 is an abundant number, since it is smaller than the sum of its proper divisors (733003286144).

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

677855558776 is a wasteful number, since it uses less digits than its factorization.

677855558776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933436 (or 6933421 counting only the distinct ones).

The product of its digits is 3457440000, while the sum is 76.

The spelling of 677855558776 in words is "six hundred seventy-seven billion, eight hundred fifty-five million, five hundred fifty-eight thousand, seven hundred seventy-six".