380697971 has 2 divisors, whose sum is σ = 380697972. Its totient is φ = 380697970.

The previous prime is 380697959. The next prime is 380697973. The reversal of 380697971 is 179796083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 380697971 - 2²² = 376503667 is a prime.

Together with 380697973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (380697973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190348985 + 190348986.

It is an arithmetic number, because the mean of its divisors is an integer number (190348986).

Almost surely, 2^380697971 is an apocalyptic number.

380697971 is a deficient number, since it is larger than the sum of its proper divisors (1).

380697971 is an equidigital number, since it uses as much as digits as its factorization.

380697971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 380697971 is about 19511.4830548577. The cubic root of 380697971 is about 724.7588391719.

The spelling of 380697971 in words is "three hundred eighty million, six hundred ninety-seven thousand, nine hundred seventy-one".