387040763 has 2 divisors, whose sum is σ = 387040764. Its totient is φ = 387040762.

The previous prime is 387040747. The next prime is 387040777. The reversal of 387040763 is 367040783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 387040763 - 2⁴ = 387040747 is a prime.

It is equal to p_20681489 and since 387040763 and 20681489 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (387040063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193520381 + 193520382.

It is an arithmetic number, because the mean of its divisors is an integer number (193520382).

Almost surely, 2^387040763 is an apocalyptic number.

387040763 is a deficient number, since it is larger than the sum of its proper divisors (1).

387040763 is an equidigital number, since it uses as much as digits as its factorization.

387040763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 387040763 is about 19673.3515954959. The cubic root of 387040763 is about 728.7617483226.

The spelling of 387040763 in words is "three hundred eighty-seven million, forty thousand, seven hundred sixty-three".