1320272782777 has 8 divisors (see below), whose sum is σ = 1427078844800. Its totient is φ = 1214216237520.

The previous prime is 1320272782757. The next prime is 1320272782783. The reversal of 1320272782777 is 7772872720231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1320272782777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320272782757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187375527 + ... + 187382572.

It is an arithmetic number, because the mean of its divisors is an integer number (178384855600).

Almost surely, 2^{1320272782777} is an apocalyptic number.

It is an amenable number.

1320272782777 is a deficient number, since it is larger than the sum of its proper divisors (106806062023).

1320272782777 is a wasteful number, since it uses less digits than its factorization.

1320272782777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374758383.

The product of its (nonzero) digits is 6453888, while the sum is 55.

The spelling of 1320272782777 in words is "one trillion, three hundred twenty billion, two hundred seventy-two million, seven hundred eighty-two thousand, seven hundred seventy-seven".