2578711887371 has 4 divisors (see below), whose sum is σ = 2585894929200. Its totient is φ = 2571528845544.

The previous prime is 2578711887331. The next prime is 2578711887419. The reversal of 2578711887371 is 1737881178752.

2578711887371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2578711887371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2578711887298 and 2578711887307.

It is not an unprimeable number, because it can be changed into a prime (2578711887331) 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, 3591520376 + ... + 3591521093.

It is an arithmetic number, because the mean of its divisors is an integer number (646473732300).

Almost surely, 2^{2578711887371} is an apocalyptic number.

2578711887371 is a deficient number, since it is larger than the sum of its proper divisors (7183041829).

2578711887371 is an equidigital number, since it uses as much as digits as its factorization.

2578711887371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183041828.

The product of its digits is 36879360, while the sum is 65.

The spelling of 2578711887371 in words is "two trillion, five hundred seventy-eight billion, seven hundred eleven million, eight hundred eighty-seven thousand, three hundred seventy-one".