3672888881 has 4 divisors (see below), whose sum is σ = 3680856564. Its totient is φ = 3664921200.

The previous prime is 3672888853. The next prime is 3672888893. The reversal of 3672888881 is 1888882763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1888882763 = 23063 ⋅81901.

It can be written as a sum of positive squares in 2 ways, for example, as 1522248256 + 2150640625 = 39016^2 + 46375^2 .

It is a cyclic number.

It is not a de Polignac number, because 3672888881 - 2¹⁰ = 3672887857 is a prime.

It is a super-2 number, since 2×3672888881² = 26980225464346864322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3672888881.

It is not an unprimeable number, because it can be changed into a prime (3672888781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3983150 + ... + 3984071.

It is an arithmetic number, because the mean of its divisors is an integer number (920214141).

Almost surely, 2^3672888881 is an apocalyptic number.

It is an amenable number.

3672888881 is a deficient number, since it is larger than the sum of its proper divisors (7967683).

3672888881 is an equidigital number, since it uses as much as digits as its factorization.

3672888881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7967682.

The product of its digits is 8257536, while the sum is 59.

The square root of 3672888881 is about 60604.3635475202. The cubic root of 3672888881 is about 1542.8934303728.

The spelling of 3672888881 in words is "three billion, six hundred seventy-two million, eight hundred eighty-eight thousand, eight hundred eighty-one".