380415877 has 2 divisors, whose sum is σ = 380415878. Its totient is φ = 380415876.

The previous prime is 380415869. The next prime is 380415887. The reversal of 380415877 is 778514083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368678401 + 11737476 = 19201^2 + 3426^2 .

It is an emirp because it is prime and its reverse (778514083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380415877 - 2³ = 380415869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380415857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190207938 + 190207939.

It is an arithmetic number, because the mean of its divisors is an integer number (190207939).

Almost surely, 2^380415877 is an apocalyptic number.

It is an amenable number.

380415877 is a deficient number, since it is larger than the sum of its proper divisors (1).

380415877 is an equidigital number, since it uses as much as digits as its factorization.

380415877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 380415877 is about 19504.2527926604. The cubic root of 380415877 is about 724.5797815331.

The spelling of 380415877 in words is "three hundred eighty million, four hundred fifteen thousand, eight hundred seventy-seven".