3872897719 has 4 divisors (see below), whose sum is σ = 3873023440. Its totient is φ = 3872772000.

The previous prime is 3872897671. The next prime is 3872897723. The reversal of 3872897719 is 9177982783.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9177982783 = 2297 ⋅3995639.

It is a cyclic number.

It is not a de Polignac number, because 3872897719 - 2⁷ = 3872897591 is a prime.

It is a super-2 number, since 2×3872897719² = 29998673483670805922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872897519) 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, 18142 + ... + 89860.

It is an arithmetic number, because the mean of its divisors is an integer number (968255860).

Almost surely, 2^3872897719 is an apocalyptic number.

3872897719 is a deficient number, since it is larger than the sum of its proper divisors (125721).

3872897719 is an equidigital number, since it uses as much as digits as its factorization.

3872897719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125720.

The product of its digits is 10668672, while the sum is 61.

The square root of 3872897719 is about 62232.6097717266. The cubic root of 3872897719 is about 1570.4062290126.

The spelling of 3872897719 in words is "three billion, eight hundred seventy-two million, eight hundred ninety-seven thousand, seven hundred nineteen".