385873979 has 2 divisors, whose sum is σ = 385873980. Its totient is φ = 385873978.

The previous prime is 385873951. The next prime is 385873981. The reversal of 385873979 is 979378583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385873979 - 2²⁰ = 384825403 is a prime.

Together with 385873981, 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 (385873949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192936989 + 192936990.

It is an arithmetic number, because the mean of its divisors is an integer number (192936990).

Almost surely, 2^385873979 is an apocalyptic number.

385873979 is a deficient number, since it is larger than the sum of its proper divisors (1).

385873979 is an equidigital number, since it uses as much as digits as its factorization.

385873979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11430720, while the sum is 59.

The square root of 385873979 is about 19643.6752925719. The cubic root of 385873979 is about 728.0286959616.

The spelling of 385873979 in words is "three hundred eighty-five million, eight hundred seventy-three thousand, nine hundred seventy-nine".