380147771 has 4 divisors (see below), whose sum is σ = 380405592. Its totient is φ = 379889952.

The previous prime is 380147743. The next prime is 380147773. The reversal of 380147771 is 177741083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 380147771 - 2¹⁰ = 380146747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380147773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126686 + ... + 129651.

It is an arithmetic number, because the mean of its divisors is an integer number (95101398).

Almost surely, 2^380147771 is an apocalyptic number.

380147771 is a deficient number, since it is larger than the sum of its proper divisors (257821).

380147771 is a wasteful number, since it uses less digits than its factorization.

380147771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257820.

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

The square root of 380147771 is about 19497.3785673870. The cubic root of 380147771 is about 724.4095206390.

The spelling of 380147771 in words is "three hundred eighty million, one hundred forty-seven thousand, seven hundred seventy-one".