2872858587447 has 4 divisors (see below), whose sum is σ = 3830478116600. Its totient is φ = 1915239058296.

The previous prime is 2872858587427. The next prime is 2872858587451. The reversal of 2872858587447 is 7447858582782.

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

It is not a de Polignac number, because 2872858587447 - 2⁸ = 2872858587191 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 (2872858587427) 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, 478809764572 + ... + 478809764577.

It is an arithmetic number, because the mean of its divisors is an integer number (957619529150).

Almost surely, 2^{2872858587447} is an apocalyptic number.

2872858587447 is a deficient number, since it is larger than the sum of its proper divisors (957619529153).

2872858587447 is an equidigital number, since it uses as much as digits as its factorization.

2872858587447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957619529152.

The product of its digits is 2247884800, while the sum is 75.

The spelling of 2872858587447 in words is "two trillion, eight hundred seventy-two billion, eight hundred fifty-eight million, five hundred eighty-seven thousand, four hundred forty-seven".