3781487395 has 24 divisors (see below), whose sum is σ = 5493280032. Its totient is φ = 2439521280.

The previous prime is 3781487389. The next prime is 3781487401. The reversal of 3781487395 is 5937841873.

It is a happy number.

3781487395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3781487389) and next prime (3781487401).

It is not a de Polignac number, because 3781487395 - 2⁵ = 3781487363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1498735 + ... + 1501255.

It is an arithmetic number, because the mean of its divisors is an integer number (228886668).

Almost surely, 2^3781487395 is an apocalyptic number.

3781487395 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3781487395 is a deficient number, since it is larger than the sum of its proper divisors (1711792637).

3781487395 is an frugal number, since it uses more digits than its factorization.

3781487395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071 (or 2550 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 55.

The square root of 3781487395 is about 61493.7996467937. The cubic root of 3781487395 is about 1557.9525235969.

The spelling of 3781487395 in words is "three billion, seven hundred eighty-one million, four hundred eighty-seven thousand, three hundred ninety-five".