3872218337 has 8 divisors (see below), whose sum is σ = 4351389504. Its totient is φ = 3418948368.

The previous prime is 3872218331. The next prime is 3872218349. The reversal of 3872218337 is 7338122783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3872218337 - 2²⁰ = 3871169761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3872218331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6474983 + ... + 6475580.

It is an arithmetic number, because the mean of its divisors is an integer number (543923688).

Almost surely, 2^3872218337 is an apocalyptic number.

It is an amenable number.

3872218337 is a deficient number, since it is larger than the sum of its proper divisors (479171167).

3872218337 is a wasteful number, since it uses less digits than its factorization.

3872218337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12950599.

The product of its digits is 338688, while the sum is 44.

The square root of 3872218337 is about 62227.1511239266. The cubic root of 3872218337 is about 1570.3143969879.

The spelling of 3872218337 in words is "three billion, eight hundred seventy-two million, two hundred eighteen thousand, three hundred thirty-seven".