771487386379 has 2 divisors, whose sum is σ = 771487386380. Its totient is φ = 771487386378.

The previous prime is 771487386281. The next prime is 771487386407. The reversal of 771487386379 is 973683784177.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 771487386379 - 2¹⁷ = 771487255307 is a prime.

It is not a weakly prime, because it can be changed into another prime (771487386679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385743693189 + 385743693190.

It is an arithmetic number, because the mean of its divisors is an integer number (385743693190).

Almost surely, 2^771487386379 is an apocalyptic number.

771487386379 is a deficient number, since it is larger than the sum of its proper divisors (1).

771487386379 is an equidigital number, since it uses as much as digits as its factorization.

771487386379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 298722816, while the sum is 70.

The spelling of 771487386379 in words is "seven hundred seventy-one billion, four hundred eighty-seven million, three hundred eighty-six thousand, three hundred seventy-nine".