2719125887 has 4 divisors (see below), whose sum is σ = 2719247496. Its totient is φ = 2719004280.

The previous prime is 2719125859. The next prime is 2719125889. The reversal of 2719125887 is 7885219172.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2719125887 - 2⁶ = 2719125823 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 (2719125889) 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, 16508 + ... + 75569.

It is an arithmetic number, because the mean of its divisors is an integer number (679811874).

Almost surely, 2^2719125887 is an apocalyptic number.

2719125887 is a deficient number, since it is larger than the sum of its proper divisors (121609).

2719125887 is an equidigital number, since it uses as much as digits as its factorization.

2719125887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121608.

The product of its digits is 564480, while the sum is 50.

The square root of 2719125887 is about 52145.2383923978. The cubic root of 2719125887 is about 1395.7568615055.

The spelling of 2719125887 in words is "two billion, seven hundred nineteen million, one hundred twenty-five thousand, eight hundred eighty-seven".