76469189779 has 2 divisors, whose sum is σ = 76469189780. Its totient is φ = 76469189778.

The previous prime is 76469189773. The next prime is 76469189803. The reversal of 76469189779 is 97798196467.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76469189779 - 2¹³ = 76469181587 is a prime.

It is not a weakly prime, because it can be changed into another prime (76469189773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38234594889 + 38234594890.

It is an arithmetic number, because the mean of its divisors is an integer number (38234594890).

Almost surely, 2^76469189779 is an apocalyptic number.

76469189779 is a deficient number, since it is larger than the sum of its proper divisors (1).

76469189779 is an equidigital number, since it uses as much as digits as its factorization.

76469189779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288054144, while the sum is 73.

The spelling of 76469189779 in words is "seventy-six billion, four hundred sixty-nine million, one hundred eighty-nine thousand, seven hundred seventy-nine".