76765874519 has 2 divisors, whose sum is σ = 76765874520. Its totient is φ = 76765874518.

The previous prime is 76765874489. The next prime is 76765874551. The reversal of 76765874519 is 91547856767.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76765874519 is a prime.

It is a super-2 number, since 2×76765874519² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76765874569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38382937259 + 38382937260.

It is an arithmetic number, because the mean of its divisors is an integer number (38382937260).

Almost surely, 2^76765874519 is an apocalyptic number.

76765874519 is a deficient number, since it is larger than the sum of its proper divisors (1).

76765874519 is an equidigital number, since it uses as much as digits as its factorization.

76765874519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88905600, while the sum is 65.

The spelling of 76765874519 in words is "seventy-six billion, seven hundred sixty-five million, eight hundred seventy-four thousand, five hundred nineteen".