1277885550096 has 165 divisors, whose sum is σ = 3717029983279. Its totient is φ = 425595588768.

The previous prime is 1277885550049. The next prime is 1277885550143. The reversal of 1277885550096 is 6900555887721.

The square root of 1277885550096 is 1130436.

It is a perfect power (a square), and thus also a powerful number.

1277885550096 is a `hidden beast` number, since 1 + 2 + 7 + 78 + 8 + 5 + 550 + 0 + 9 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1277885550049) and next prime (1277885550143).

It is a Duffinian 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 32 ways as a sum of consecutive naturals, for example, 1098783211 + ... + 1098784373.

Almost surely, 2^{1277885550096} is an apocalyptic number.

1277885550096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1277885550096 is the 1130436-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1277885550096

1277885550096 is an abundant number, since it is smaller than the sum of its proper divisors (2439144433183).

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

1277885550096 is an frugal number, since it uses more digits than its factorization.

1277885550096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364 (or 1168 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 63.

The spelling of 1277885550096 in words is "one trillion, two hundred seventy-seven billion, eight hundred eighty-five million, five hundred fifty thousand, ninety-six".