1277850016416 has 96 divisors (see below), whose sum is σ = 3359614285440. Its totient is φ = 425282863104.

The previous prime is 1277850016409. The next prime is 1277850016451. The reversal of 1277850016416 is 6146100587721.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299050056 + ... + 299054328.

It is an arithmetic number, because the mean of its divisors is an integer number (34995982140).

Almost surely, 2^{1277850016416} is an apocalyptic number.

1277850016416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1277850016416 is an abundant number, since it is smaller than the sum of its proper divisors (2081764269024).

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

1277850016416 is a wasteful number, since it uses less digits than its factorization.

1277850016416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8438 (or 8430 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 1277850016416 in words is "one trillion, two hundred seventy-seven billion, eight hundred fifty million, sixteen thousand, four hundred sixteen".