385871788487 has 2 divisors, whose sum is σ = 385871788488. Its totient is φ = 385871788486.

The previous prime is 385871788451. The next prime is 385871788507. The reversal of 385871788487 is 784887178583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385871788487 - 2³⁸ = 110993881543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385871188487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192935894243 + 192935894244.

It is an arithmetic number, because the mean of its divisors is an integer number (192935894244).

Almost surely, 2^385871788487 is an apocalyptic number.

385871788487 is a deficient number, since it is larger than the sum of its proper divisors (1).

385871788487 is an equidigital number, since it uses as much as digits as its factorization.

385871788487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 674365440, while the sum is 74.

The spelling of 385871788487 in words is "three hundred eighty-five billion, eight hundred seventy-one million, seven hundred eighty-eight thousand, four hundred eighty-seven".