380629877 has 2 divisors, whose sum is σ = 380629878. Its totient is φ = 380629876.

The previous prime is 380629861. The next prime is 380629891. The reversal of 380629877 is 778926083.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216943441 + 163686436 = 14729^2 + 12794^2 .

It is a cyclic number.

It is not a de Polignac number, because 380629877 - 2⁴ = 380629861 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 (380629177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190314938 + 190314939.

It is an arithmetic number, because the mean of its divisors is an integer number (190314939).

Almost surely, 2^380629877 is an apocalyptic number.

It is an amenable number.

380629877 is a deficient number, since it is larger than the sum of its proper divisors (1).

380629877 is an equidigital number, since it uses as much as digits as its factorization.

380629877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 380629877 is about 19509.7380043916. The cubic root of 380629877 is about 724.7156249751.

The spelling of 380629877 in words is "three hundred eighty million, six hundred twenty-nine thousand, eight hundred seventy-seven".