380842871 has 2 divisors, whose sum is σ = 380842872. Its totient is φ = 380842870.

The previous prime is 380842831. The next prime is 380842879. The reversal of 380842871 is 178248083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 380842871 - 2¹⁰ = 380841847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380842879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190421435 + 190421436.

It is an arithmetic number, because the mean of its divisors is an integer number (190421436).

Almost surely, 2^380842871 is an apocalyptic number.

380842871 is a deficient number, since it is larger than the sum of its proper divisors (1).

380842871 is an equidigital number, since it uses as much as digits as its factorization.

380842871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 380842871 is about 19515.1958996060. The cubic root of 380842871 is about 724.8507792774.

The spelling of 380842871 in words is "three hundred eighty million, eight hundred forty-two thousand, eight hundred seventy-one".