1377288767432 has 12 divisors (see below), whose sum is σ = 2582422662795. Its totient is φ = 688642724024.

The previous prime is 1377288767381. The next prime is 1377288767447. The reversal of 1377288767432 is 2347678827731.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 688644383716 + 688644383716 = 829846^2 + 829846^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=829846.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 3111923 + ... + 3526845.

Almost surely, 2^{1377288767432} is an apocalyptic number.

It is an amenable number.

1377288767432 is a deficient number, since it is larger than the sum of its proper divisors (1205133895363).

1377288767432 is an frugal number, since it uses more digits than its factorization.

1377288767432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829852 (or 414925 counting only the distinct ones).

The product of its digits is 132765696, while the sum is 65.

The spelling of 1377288767432 in words is "one trillion, three hundred seventy-seven billion, two hundred eighty-eight million, seven hundred sixty-seven thousand, four hundred thirty-two".