1676778286780 has 12 divisors (see below), whose sum is σ = 3521234402280. Its totient is φ = 670711314704.

The previous prime is 1676778286753. The next prime is 1676778286837. The reversal of 1676778286780 is 876828776761.

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, 41919457150 + ... + 41919457189.

It is an arithmetic number, because the mean of its divisors is an integer number (293436200190).

Almost surely, 2^{1676778286780} is an apocalyptic number.

1676778286780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1676778286780 is an abundant number, since it is smaller than the sum of its proper divisors (1844456115500).

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

1676778286780 is a wasteful number, since it uses less digits than its factorization.

1676778286780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83838914348 (or 83838914346 counting only the distinct ones).

The product of its (nonzero) digits is 531062784, while the sum is 73.

The spelling of 1676778286780 in words is "one trillion, six hundred seventy-six billion, seven hundred seventy-eight million, two hundred eighty-six thousand, seven hundred eighty".