379639927 has 2 divisors, whose sum is σ = 379639928. Its totient is φ = 379639926.

The previous prime is 379639921. The next prime is 379639961. The reversal of 379639927 is 729936973.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379639927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379639921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189819963 + 189819964.

It is an arithmetic number, because the mean of its divisors is an integer number (189819964).

Almost surely, 2^379639927 is an apocalyptic number.

379639927 is a deficient number, since it is larger than the sum of its proper divisors (1).

379639927 is an equidigital number, since it uses as much as digits as its factorization.

379639927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3857868, while the sum is 55.

The square root of 379639927 is about 19484.3508231606. The cubic root of 379639927 is about 724.0867944082.

The spelling of 379639927 in words is "three hundred seventy-nine million, six hundred thirty-nine thousand, nine hundred twenty-seven".