3727638485 has 8 divisors (see below), whose sum is σ = 4478103456. Its totient is φ = 2978819280.

The previous prime is 3727638419. The next prime is 3727638487. The reversal of 3727638485 is 5848367273.

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

It is not a de Polignac number, because 3727638485 - 2¹² = 3727634389 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 (3727638487) 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, 406451 + ... + 415520.

It is an arithmetic number, because the mean of its divisors is an integer number (559762932).

Almost surely, 2^3727638485 is an apocalyptic number.

It is an amenable number.

3727638485 is a deficient number, since it is larger than the sum of its proper divisors (750464971).

3727638485 is an equidigital number, since it uses as much as digits as its factorization.

3727638485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822883.

The product of its digits is 6773760, while the sum is 53.

The square root of 3727638485 is about 61054.3895637324. The cubic root of 3727638485 is about 1550.5219865241.

The spelling of 3727638485 in words is "three billion, seven hundred twenty-seven million, six hundred thirty-eight thousand, four hundred eighty-five".