76842273653 has 2 divisors, whose sum is σ = 76842273654. Its totient is φ = 76842273652.

The previous prime is 76842273649. The next prime is 76842273661. The reversal of 76842273653 is 35637224867.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67850872324 + 8991401329 = 260482^2 + 94823^2 .

It is a cyclic number.

It is not a de Polignac number, because 76842273653 - 2² = 76842273649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 76842273595 and 76842273604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76842273623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38421136826 + 38421136827.

It is an arithmetic number, because the mean of its divisors is an integer number (38421136827).

Almost surely, 2^76842273653 is an apocalyptic number.

It is an amenable number.

76842273653 is a deficient number, since it is larger than the sum of its proper divisors (1).

76842273653 is an equidigital number, since it uses as much as digits as its factorization.

76842273653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 53.

The spelling of 76842273653 in words is "seventy-six billion, eight hundred forty-two million, two hundred seventy-three thousand, six hundred fifty-three".