385179876377 has 2 divisors, whose sum is σ = 385179876378. Its totient is φ = 385179876376.

The previous prime is 385179876343. The next prime is 385179876407. The reversal of 385179876377 is 773678971583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382689467161 + 2490409216 = 618619^2 + 49904^2 .

It is a cyclic number.

It is not a de Polignac number, because 385179876377 - 2⁶ = 385179876313 is a prime.

It is a super-2 number, since 2×385179876377² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385179876377.

It is not a weakly prime, because it can be changed into another prime (385179876307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192589938188 + 192589938189.

It is an arithmetic number, because the mean of its divisors is an integer number (192589938189).

Almost surely, 2^385179876377 is an apocalyptic number.

It is an amenable number.

385179876377 is a deficient number, since it is larger than the sum of its proper divisors (1).

385179876377 is an equidigital number, since it uses as much as digits as its factorization.

385179876377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373403520, while the sum is 71.

The spelling of 385179876377 in words is "three hundred eighty-five billion, one hundred seventy-nine million, eight hundred seventy-six thousand, three hundred seventy-seven".