1027780660500 has 96 divisors (see below), whose sum is σ = 3264978907008. Its totient is φ = 249158944000.

The previous prime is 1027780660451. The next prime is 1027780660519. The reversal of 1027780660500 is 50660877201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31128369 + ... + 31161368.

It is an arithmetic number, because the mean of its divisors is an integer number (34010196948).

Almost surely, 2^{1027780660500} is an apocalyptic number.

1027780660500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1027780660500 is an abundant number, since it is smaller than the sum of its proper divisors (2237198246508).

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

1027780660500 is a wasteful number, since it uses less digits than its factorization.

1027780660500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62289770 (or 62289758 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 1027780660500 in words is "one trillion, twenty-seven billion, seven hundred eighty million, six hundred sixty thousand, five hundred".