76475967643 has 2 divisors, whose sum is σ = 76475967644. Its totient is φ = 76475967642.

The previous prime is 76475967493. The next prime is 76475967649. The reversal of 76475967643 is 34676957467.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76475967643 - 2¹⁷ = 76475836571 is a prime.

It is not a weakly prime, because it can be changed into another prime (76475967649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38237983821 + 38237983822.

It is an arithmetic number, because the mean of its divisors is an integer number (38237983822).

Almost surely, 2^76475967643 is an apocalyptic number.

76475967643 is a deficient number, since it is larger than the sum of its proper divisors (1).

76475967643 is an equidigital number, since it uses as much as digits as its factorization.

76475967643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 160030080, while the sum is 64.

The spelling of 76475967643 in words is "seventy-six billion, four hundred seventy-five million, nine hundred sixty-seven thousand, six hundred forty-three".