1287763822080 has 120 divisors (see below), whose sum is σ = 4459888379232. Its totient is φ = 343403679744.

The previous prime is 1287763822063. The next prime is 1287763822087. The reversal of 1287763822080 is 802283677821.

1287763822080 is a `hidden beast` number, since 1 + 287 + 7 + 63 + 8 + 220 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1287763822080² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1287763822087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27923224 + ... + 27969303.

Almost surely, 2^{1287763822080} is an apocalyptic number.

1287763822080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1287763822080 is an abundant number, since it is smaller than the sum of its proper divisors (3172124557152).

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

1287763822080 is an equidigital number, since it uses as much as digits as its factorization.

1287763822080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55892556 (or 55892537 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 1287763822080 in words is "one trillion, two hundred eighty-seven billion, seven hundred sixty-three million, eight hundred twenty-two thousand, eighty".