1572871442879 has 32 divisors (see below), whose sum is σ = 1768640832000. Its totient is φ = 1386342604800.

The previous prime is 1572871442873. The next prime is 1572871442893. The reversal of 1572871442879 is 9782441782751.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1572871442879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1572871442873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151684607 + ... + 151694975.

It is an arithmetic number, because the mean of its divisors is an integer number (55270026000).

Almost surely, 2^{1572871442879} is an apocalyptic number.

1572871442879 is a deficient number, since it is larger than the sum of its proper divisors (195769389121).

1572871442879 is a wasteful number, since it uses less digits than its factorization.

1572871442879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12479.

The product of its digits is 63221760, while the sum is 65.

The spelling of 1572871442879 in words is "one trillion, five hundred seventy-two billion, eight hundred seventy-one million, four hundred forty-two thousand, eight hundred seventy-nine".