677792134428 has 48 divisors (see below), whose sum is σ = 1650709622016. Its totient is φ = 216050919040.

The previous prime is 677792134399. The next prime is 677792134499. The reversal of 677792134428 is 824431297776.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737563 + ... + 1378253.

It is an arithmetic number, because the mean of its divisors is an integer number (34389783792).

Almost surely, 2^677792134428 is an apocalyptic number.

It is an amenable number.

677792134428 is an abundant number, since it is smaller than the sum of its proper divisors (972917487588).

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

677792134428 is a wasteful number, since it uses less digits than its factorization.

677792134428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644554 (or 644552 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 60.

The spelling of 677792134428 in words is "six hundred seventy-seven billion, seven hundred ninety-two million, one hundred thirty-four thousand, four hundred twenty-eight".