67577280881699 has 2 divisors, whose sum is σ = 67577280881700. Its totient is φ = 67577280881698.

The previous prime is 67577280881609. The next prime is 67577280881701. The reversal of 67577280881699 is 99618808277576.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67577280881699 - 2²⁰ = 67577279833123 is a prime.

Together with 67577280881701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67577280881609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33788640440849 + 33788640440850.

It is an arithmetic number, because the mean of its divisors is an integer number (33788640440850).

Almost surely, 2^{67577280881699} is an apocalyptic number.

67577280881699 is a deficient number, since it is larger than the sum of its proper divisors (1).

67577280881699 is an equidigital number, since it uses as much as digits as its factorization.

67577280881699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120962560, while the sum is 83.

The spelling of 67577280881699 in words is "sixty-seven trillion, five hundred seventy-seven billion, two hundred eighty million, eight hundred eighty-one thousand, six hundred ninety-nine".