67675767953 has 2 divisors, whose sum is σ = 67675767954. Its totient is φ = 67675767952.

The previous prime is 67675767947. The next prime is 67675767977. The reversal of 67675767953 is 35976757676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67471621009 + 204146944 = 259753^2 + 14288^2 .

It is a cyclic number.

It is not a de Polignac number, because 67675767953 - 2¹⁰ = 67675766929 is a prime.

It is not a weakly prime, because it can be changed into another prime (67675767923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33837883976 + 33837883977.

It is an arithmetic number, because the mean of its divisors is an integer number (33837883977).

Almost surely, 2^67675767953 is an apocalyptic number.

It is an amenable number.

67675767953 is a deficient number, since it is larger than the sum of its proper divisors (1).

67675767953 is an equidigital number, since it uses as much as digits as its factorization.

67675767953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 350065800, while the sum is 68.

The spelling of 67675767953 in words is "sixty-seven billion, six hundred seventy-five million, seven hundred sixty-seven thousand, nine hundred fifty-three".