2715438887 has 4 divisors (see below), whose sum is σ = 3103358736. Its totient is φ = 2327519040.

The previous prime is 2715438877. The next prime is 2715438907. The reversal of 2715438887 is 7888345172.

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

It is not a de Polignac number, because 2715438887 - 2²² = 2711244583 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 (2715438877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193959914 + ... + 193959927.

It is an arithmetic number, because the mean of its divisors is an integer number (775839684).

Almost surely, 2^2715438887 is an apocalyptic number.

2715438887 is a deficient number, since it is larger than the sum of its proper divisors (387919849).

2715438887 is an equidigital number, since it uses as much as digits as its factorization.

2715438887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387919848.

The product of its digits is 3010560, while the sum is 53.

The square root of 2715438887 is about 52109.8732199571. The cubic root of 2715438887 is about 1395.1257170994.

The spelling of 2715438887 in words is "two billion, seven hundred fifteen million, four hundred thirty-eight thousand, eight hundred eighty-seven".