76725615523 has 2 divisors, whose sum is σ = 76725615524. Its totient is φ = 76725615522.

The previous prime is 76725615511. The next prime is 76725615559. The reversal of 76725615523 is 32551652767.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32551652767) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76725615523 is a prime.

It is not a weakly prime, because it can be changed into another prime (76725615223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38362807761 + 38362807762.

It is an arithmetic number, because the mean of its divisors is an integer number (38362807762).

Almost surely, 2^76725615523 is an apocalyptic number.

76725615523 is a deficient number, since it is larger than the sum of its proper divisors (1).

76725615523 is an equidigital number, since it uses as much as digits as its factorization.

76725615523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646000, while the sum is 49.

The spelling of 76725615523 in words is "seventy-six billion, seven hundred twenty-five million, six hundred fifteen thousand, five hundred twenty-three".