76969406593 has 4 divisors (see below), whose sum is σ = 76978285780. Its totient is φ = 76960527408.

The previous prime is 76969406561. The next prime is 76969406617. The reversal of 76969406593 is 39560496967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39560496967 = 3373 ⋅11728579.

It can be written as a sum of positive squares in 2 ways, for example, as 57191765904 + 19777640689 = 239148^2 + 140633^2 .

It is a cyclic number.

It is not a de Polignac number, because 76969406593 - 2⁵ = 76969406561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76969406093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4426578 + ... + 4443931.

It is an arithmetic number, because the mean of its divisors is an integer number (19244571445).

Almost surely, 2^76969406593 is an apocalyptic number.

It is an amenable number.

76969406593 is a deficient number, since it is larger than the sum of its proper divisors (8879187).

76969406593 is an equidigital number, since it uses as much as digits as its factorization.

76969406593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8879186.

The product of its (nonzero) digits is 66134880, while the sum is 64.

The spelling of 76969406593 in words is "seventy-six billion, nine hundred sixty-nine million, four hundred six thousand, five hundred ninety-three".