3280777750000 has 70 divisors (see below), whose sum is σ = 7945532514632. Its totient is φ = 1312311000000.

The previous prime is 3280777749959. The next prime is 3280777750009. The reversal of 3280777750000 is 577770823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280777750009) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 6311556 + ... + 6811555.

Almost surely, 2^{3280777750000} is an apocalyptic number.

It is an amenable number.

3280777750000 is an abundant number, since it is smaller than the sum of its proper divisors (4664754764632).

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

3280777750000 is an frugal number, since it uses more digits than its factorization.

3280777750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13123149 (or 13123118 counting only the distinct ones).

The product of its (nonzero) digits is 576240, while the sum is 46.

The spelling of 3280777750000 in words is "three trillion, two hundred eighty billion, seven hundred seventy-seven million, seven hundred fifty thousand".