76853701633 has 2 divisors, whose sum is σ = 76853701634. Its totient is φ = 76853701632.

The previous prime is 76853701621. The next prime is 76853701637. The reversal of 76853701633 is 33610735867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68260967824 + 8592733809 = 261268^2 + 92697^2 .

It is an emirp because it is prime and its reverse (33610735867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76853701633 - 2³³ = 68263767041 is a prime.

It is not a weakly prime, because it can be changed into another prime (76853701637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38426850816 + 38426850817.

It is an arithmetic number, because the mean of its divisors is an integer number (38426850817).

Almost surely, 2^76853701633 is an apocalyptic number.

It is an amenable number.

76853701633 is a deficient number, since it is larger than the sum of its proper divisors (1).

76853701633 is an equidigital number, since it uses as much as digits as its factorization.

76853701633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 76853701633 in words is "seventy-six billion, eight hundred fifty-three million, seven hundred one thousand, six hundred thirty-three".