380629277957 has 2 divisors, whose sum is σ = 380629277958. Its totient is φ = 380629277956.

The previous prime is 380629277923. The next prime is 380629278011. The reversal of 380629277957 is 759772926083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358937584996 + 21691692961 = 599114^2 + 147281^2 .

It is an emirp because it is prime and its reverse (759772926083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380629277957 - 2¹⁸ = 380629015813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380629277893 and 380629277902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380629277557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190314638978 + 190314638979.

It is an arithmetic number, because the mean of its divisors is an integer number (190314638979).

Almost surely, 2^380629277957 is an apocalyptic number.

It is an amenable number.

380629277957 is a deficient number, since it is larger than the sum of its proper divisors (1).

380629277957 is an equidigital number, since it uses as much as digits as its factorization.

380629277957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80015040, while the sum is 65.

The spelling of 380629277957 in words is "three hundred eighty billion, six hundred twenty-nine million, two hundred seventy-seven thousand, nine hundred fifty-seven".