77419038961087 has 2 divisors, whose sum is σ = 77419038961088. Its totient is φ = 77419038961086.

The previous prime is 77419038961081. The next prime is 77419038961217. The reversal of 77419038961087 is 78016983091477.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77419038961087 - 2¹⁹ = 77419038436799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77419038961081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38709519480543 + 38709519480544.

It is an arithmetic number, because the mean of its divisors is an integer number (38709519480544).

Almost surely, 2^{77419038961087} is an apocalyptic number.

77419038961087 is a deficient number, since it is larger than the sum of its proper divisors (1).

77419038961087 is an equidigital number, since it uses as much as digits as its factorization.

77419038961087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128024064, while the sum is 70.

The spelling of 77419038961087 in words is "seventy-seven trillion, four hundred nineteen billion, thirty-eight million, nine hundred sixty-one thousand, eighty-seven".