1375880086873 has 4 divisors (see below), whose sum is σ = 1375887679668. Its totient is φ = 1375872494080.

The previous prime is 1375880086853. The next prime is 1375880086877. The reversal of 1375880086873 is 3786800885731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 210523133584 + 1165356953289 = 458828^2 + 1079517^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375880086873 - 2¹³ = 1375880078681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375880086877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3517768 + ... + 3889273.

It is an arithmetic number, because the mean of its divisors is an integer number (343971919917).

Almost surely, 2^{1375880086873} is an apocalyptic number.

It is an amenable number.

1375880086873 is a deficient number, since it is larger than the sum of its proper divisors (7592795).

1375880086873 is an equidigital number, since it uses as much as digits as its factorization.

1375880086873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7592794.

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 1375880086873 in words is "one trillion, three hundred seventy-five billion, eight hundred eighty million, eighty-six thousand, eight hundred seventy-three".