381077147 has 8 divisors (see below), whose sum is σ = 416133120. Its totient is φ = 346089960.

The previous prime is 381077111. The next prime is 381077159. The reversal of 381077147 is 741770183.

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 381077147 - 2¹⁰ = 381076123 is a prime.

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 381077147.

It is not an unprimeable number, because it can be changed into a prime (381077107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5243 + ... + 28100.

It is an arithmetic number, because the mean of its divisors is an integer number (52016640).

Almost surely, 2^381077147 is an apocalyptic number.

381077147 is a deficient number, since it is larger than the sum of its proper divisors (35055973).

381077147 is a wasteful number, since it uses less digits than its factorization.

381077147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34393.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 381077147 is about 19521.1973761857. The cubic root of 381077147 is about 724.9993797854. Note that the first 3 decimals are identical.

It can be divided in two parts, 38107 and 7147, that added together give a palindrome (45254).

The spelling of 381077147 in words is "three hundred eighty-one million, seventy-seven thousand, one hundred forty-seven".