677769019136 has 72 divisors (see below), whose sum is σ = 1483608849408. Its totient is φ = 306463616000.

The previous prime is 677769019097. The next prime is 677769019139. The reversal of 677769019136 is 631910967776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677769019139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92210 + ... + 1167921.

It is an arithmetic number, because the mean of its divisors is an integer number (20605678464).

Almost surely, 2^677769019136 is an apocalyptic number.

It is an amenable number.

677769019136 is an abundant number, since it is smaller than the sum of its proper divisors (805839830272).

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

677769019136 is a wasteful number, since it uses less digits than its factorization.

677769019136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260349 (or 1260335 counting only the distinct ones).

The product of its (nonzero) digits is 18003384, while the sum is 62.

The spelling of 677769019136 in words is "six hundred seventy-seven billion, seven hundred sixty-nine million, nineteen thousand, one hundred thirty-six".