1320776379258 has 16 divisors (see below), whose sum is σ = 3018917438400. Its totient is φ = 377364679776.

The previous prime is 1320776379257. The next prime is 1320776379259. The reversal of 1320776379258 is 8529736770231.

It is an interprime number because it is at equal distance from previous prime (1320776379257) and next prime (1320776379259).

It is not an unprimeable number, because it can be changed into a prime (1320776379257) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15723528283 + ... + 15723528366.

It is an arithmetic number, because the mean of its divisors is an integer number (188682339900).

Almost surely, 2^{1320776379258} is an apocalyptic number.

1320776379258 is an abundant number, since it is smaller than the sum of its proper divisors (1698141059142).

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

1320776379258 is a wasteful number, since it uses less digits than its factorization.

1320776379258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31447056661.

The product of its (nonzero) digits is 26671680, while the sum is 60.

The spelling of 1320776379258 in words is "one trillion, three hundred twenty billion, seven hundred seventy-six million, three hundred seventy-nine thousand, two hundred fifty-eight".