76148517689 has 2 divisors, whose sum is σ = 76148517690. Its totient is φ = 76148517688.

The previous prime is 76148517671. The next prime is 76148517701. The reversal of 76148517689 is 98671584167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76129087225 + 19430464 = 275915^2 + 4408^2 .

It is a cyclic number.

It is not a de Polignac number, because 76148517689 - 2³² = 71853550393 is a prime.

It is not a weakly prime, because it can be changed into another prime (76148517589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38074258844 + 38074258845.

It is an arithmetic number, because the mean of its divisors is an integer number (38074258845).

Almost surely, 2^76148517689 is an apocalyptic number.

It is an amenable number.

76148517689 is a deficient number, since it is larger than the sum of its proper divisors (1).

76148517689 is an equidigital number, since it uses as much as digits as its factorization.

76148517689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20321280, while the sum is 62.

The spelling of 76148517689 in words is "seventy-six billion, one hundred forty-eight million, five hundred seventeen thousand, six hundred eighty-nine".